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发明名称
摘要
申请公布号	FR2112931(A5)	申请公布日期	1972.06.23
申请号	FR19710031568	申请日期	1971.08.31
申请人	ZUMBACH ELECTRONIC AUTOM	发明人
分类号	B21D28/04;B23D33/12;G03B15/00;G03F9/00;(IPC1-7):41L47/00;41L49/00;05K3/00;09F3/00	主分类号	B21D28/04
代理机构		代理人
主权项
地址

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