commiss regul eec decemb classif good subhead common custom tariff commiss european commun regard treati establish european econom commun regard council regul eec januari measur uniform applic nomenclatur common custom tariff amend act access greec articl thereof ensur uniform applic nomenclatur common custom tariff provis made tariff classif base prepar chew gum form cylindr piec consist weight butyl rubber polyethylen poli vinyl acet veget resin calcium carbon head common custom tariff annex council regul eec amend regul eec includ inter alia prepar chemic alli industri includ product question characterist prepar chemic alli industri absenc specif head classifi head head subhead provis regul accord opinion committe common custom tariff nomenclatur adopt regul articl base prepar chew gum form cylindr piec consist weight butyl rubber polyethylen poli vinyl acet veget resin calcium carbon classifi common custom tariff subhead chemic product prepar chemic alli industri includ consist mixtur natur product includ residu product chemic alli industri includ articl regul enter forc st dai public offici journal european commun regul bind entireti directli applic member state brussel decemb commiss karl heinz narj member commiss oj oj oj