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发明名称
摘要
申请公布号	FR2223103(B1)	申请公布日期	1980.04.11
申请号	FR19730028724	申请日期	1973.08.06
申请人	ROTHENBERGER SCHWEISSTECHNIK IND	发明人
分类号	B21C37/29;B21D19/02;B21D39/20;(IPC1-7):21D31/00	主分类号	B21C37/29
代理机构		代理人
主权项
地址

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