commiss decis amend decis eec author method grade pig carcas spain spanish text authent ec commiss european commun regard treati establish european commun regard council regul eec novemb determin commun scale grade pig carcas amend regul eec articl thereof decis eec commiss author method grade pig carcas spain spanish govern ask commiss author formula calcul lean meat content carcas conjunct exist grade method suppli inform requir pursuant articl commiss regul eec examin request shown condit author formula met measur provid decis accord opinion manag committe pigmeat adopt decis articl part annex decis eec replac lean meat content carcas calcul formula estim percentag lean meat carcas thick backfat includ rind millimetr measur centimetr midlin carcas fourth rib thick muscl millimetr measur time place formula valid carcas weigh kilogram articl decis address kingdom spain brussel commiss rené steichen member commiss oj oj oj oj