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发明名称
摘要
申请公布号	FR2225222(B1)	申请公布日期	1976.09.10
申请号	FR19730013304	申请日期	1973.04.12
申请人	ELEKTROSTALSKY ZAVOD TYAZHELOGO	发明人
分类号	B21B21/00;(IPC1-7):B21B21/00	主分类号	B21B21/00
代理机构		代理人
主权项
地址

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