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发明名称
摘要
申请公布号	FR2092155(A1)	申请公布日期	1972.01.21
申请号	FR19710018164	申请日期	1971.05.19
申请人	SEALED POWER CORP	发明人
分类号	B21D35/00;B21D53/16;B23P15/06;B30B13/00;(IPC1-7):B21D35/00;F16J9/00	主分类号	B21D35/00
代理机构		代理人
主权项
地址

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