council decis novemb amend decis euratom establish joint undertak schnell brüter kernkraftwerksgesellschaft mbh sbk euratom council european commun regard treati establish european atom energi commun articl thereof regard propos commiss decis euratom council establish schnell brüter kernkraftwerksgesellschaft mbh sbk joint undertak sbk request decis adapt present situat particip sbk nersa promot super phénix demonstr power station enabl benefit latest technic advanc achiev field desir adapt object joint undertak statut sbk approv council adopt decis articl paragraph articl decis euratom replac quot object compani develop seri fast breeder reactor stage readi market construct oper prototyp nuclear power station kalkar sodium cool fast breeder reactor particip energi produc compani set purpos build oper sodium cool fast breeder reactor quot articl decis address member state sbk brussel novemb council presid nei oj