commiss decis juli amend decis eec author method grade pig carcas germani german text authent ec commiss european commun regard treati establish european commun regard council regul eec novemb determin commun scale grade pig carcas amend regul ec articl thereof commiss decis eec amend decis ec author method grade pig carcas germani formula calcul lean meat content carcas introduc recent amend decis eec method zp reveal defici relat accuraci estim result formula author measur provid decis accord opinion manag committe pigmeat adopt decis articl part ii annex decis eec formula point replac gt num gt gt den gt amp radic log amp radic articl decis address feder republ germani brussel juli commiss franz fischler member commiss oj oj oj oj