council direct decemb approxim law member state relat unit measur repeal direct eec eec council european commun regard treati establish european econom commun articl thereof regard council direct eec octob approxim law member state relat unit measur amend council direct eec regard propos commiss regard opinion european parliament regard opinion econom social committe unit measur essenti measur instrument express measur indic quantiti unit measur field human activ ensur greatest clariti make rule commun econom public health public safeti administr purpos exist intern convent agreement field intern transport bind commun member state convent agreement respect law regul unit measur member state differ member state result hinder trade circumst harmon law regul administr provis order overcom obstacl unit measur subject intern resolut adopt gener confer weight measur cgpm set metr convent sign pari member state adher quot intern system unit quot si drawn result resolut council octob adopt direct eec approxim law member state order elimin obstacl trade adopt intern system unit commun level direct eec amend act access direct eec commun provis overcom obstacl field direct eec review decemb situat unit measur name symbol list chapter annex thereto prove review situat unit measur order avoid difficulti provid transit period unit measur compat intern system phase essenti member state wish bring forc quickli territori provis chapter annex limit durat transit period commun level time leav member state free curtail period transit period essenti order protect consum maintain clear posit unit measur trade member state oblig member state supplementari indic product equip import member state transit period serv purpos oj oj oj oj opinion deliv octob publish offici journal systemat adopt solut kind measur instrument includ medic instrument necessarili desir member state requir territori measur instrument bear indic quantiti singl legal unit measur direct affect continu manufactur product market affect place market product equip bear indic quantiti unit measur longer legal unit measur product equip supplement replac compon part product equip instrument market member state author place market product equip complet replac compon bear indic quantiti unit measur longer legal unit measur product equip instrument market continu intern organ standard iso march adopt intern standard represent si unit system limit set charact advis commun adopt solut approv wider intern level iso standard march commun provis relat unit measur found commun text question unit measur import essenti refer made singl commun text direct consolid commun provis subject repeal direct eec adopt direct articl legal unit measur mean direct express quantiti list chapter annex list chapter ii annex date fix member state date decemb list chapter iii annex member state author april date fix member state date date set council decemb basi articl treati articl oblig aris articl relat measur instrument measur made indic quantiti express unit measur econom public health public safeti administr purpos direct affect field air sea transport rail traffic unit made compulsori direct laid intern convent agreement bind commun member state articl purpos direct quot supplementari indic quot mean indic quantiti express unit measur contain chapter annex accompani indic quantiti express unit contain chapter supplementari indic author decemb member state requir measur instrument bear indic quantiti singl legal unit measur indic express unit measur list chapter predomin indic express unit measur list chapter express charact larger indic unit list chapter supplementari indic extend decemb articl unit measur longer legal author product equip market servic date direct adopt compon part product equip supplement replac compon part product equip legal unit measur requir indic measur instrument articl intern standard iso march quot inform process represent si unit system limit charact set quot appli field cover paragraph thereof articl direct eec repeal octob derog direct eec member state author continu term articl direct unit measur decemb gt pic file quot quot gt articl member state adopt publish juli law regul administr provis compli direct inform commiss thereof appli provis octob date notif direct member state ensur commiss inform suffici time enabl submit comment draft law regul administr provis intend adopt field cover direct articl direct address member state brussel decemb council presid tunnei annex chapter legal unit measur refer articl si unit decim multipl submultipl si base unit gt pic file quot quot gt definit si base unit unit length metr length equal wavelength vacuum radiat transit level krypton atom eleventh cgpm resolut unit mass kilogram unit mass equal mass intern prototyp kilogram cgpm page confer report unit time durat period radiat transit hyperfin level ground state caesium atom thirteenth cgpm resolut unit electr current gt pic file quot quot gt cipm resolut approv ninth cgpm unit thermodynam temperatur kelvin unit thermodynam temperatur fraction thermodynam temperatur tripl point water thirteenth cgpm resolut unit amount substanc mole amount substanc system elementari entiti atom kg carbon mole elementari entiti atom molecul ion electron particl group particl fourteenth cgpm resolut unit lumin intens gt pic file quot quot gt sixteenth cgpm resolut special symbol si unit temperatur express celsiu temperatur gt pic file quot quot gt celsiu temperatur defin differ thermodynam temperatur kelvin interv differ temperatur express kelvin degre celsiu unit quot degre celsiu quot equal unit quot kelvin quot si unit supplementari si unit gt pic file quot quot gt eleventh cgpm resolut definit supplementari si unit plane angl unit radian plane angl radii circumfer circl cut arc equal length radiu intern standard iso decemb solid angl unit steradian solid angl apex centr sphere describ surfac sphere area equal squar side radiu sphere intern standard iso decemb deriv si unit unit deriv coher si base unit supplementari si unit algebra express form product power si base unit supplementari si unit numer factor equal deriv si unit name symbol gt pic file quot quot gt unit deriv si base unit supplementari unit express term unit list chapter deriv si unit express special name symbol tabl si unit dynam viscos express kg pa prefix symbol design decim multipl submultipl gt pic file quot quot gt name symbol decim multipl submultipl unit mass form attach prefix word quot gram quot symbol symbol quot quot deriv unit express fraction decim multipl submultipl design attach prefix unit numer denomin part compound prefix prefix form juxtaposit prefix special author name symbol decim multipl submultipl si unit gt pic file quot quot gt note prefix symbol list conjunct unit symbol contain tabl unit defin basi si unit decim multipl submultipl thereof gt pic file quot quot gt note prefix list conjunct name quot grade quot quot gon quot symbol quot gon quot unit defin independ si base unit unifi atom mass unit twelfth mass atom nuclid electronvolt kinet energi acquir electron pass vacuum point potenti volt higher gt pic file quot quot gt unit express si unit valu codata bulletin decemb intern council scientif union note prefix symbol list conjunct unit symbol unit name unit permit special field gt pic file quot quot gt compound unit combin unit list chapter form compound unit chapter ii legal unit measur refer articl quantiti name unit symbol valu gt pic file quot quot gt note prefix symbol list chapter conjunct unit symbol contain section except millimetr mercuri symbol symbol quot quot date articl unit list chapter ii combin chapter form compound unit chapter iii legal unit measur refer articl quantiti name unit symbol approxim valu gt pic file quot quot gt date fix articl unit list chapter iii combin chapter form compound unit