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发明名称
摘要
申请公布号	DE3200546(C2)	申请公布日期	1984.08.30
申请号	DE19823200546	申请日期	1982.01.11
申请人	OKUN, DAVID ISAKOVIC;KAGANOVSKIJ, IOSIF ISAAKOVIC, KRAMATORSK, DONEZKAJA OBLAST', SU	发明人	OKUN, DAVID ISAKOVIC;KAGANOVSKIJ, IOSIF ISAAKOVIC, KRAMATORSK, DONEZKAJA OBLAST', SU
分类号	B21C47/30;(IPC1-7):B21C47/30	主分类号	B21C47/30
代理机构		代理人
主权项
地址

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