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发明名称
摘要
申请公布号	FR2460759(B1)	申请公布日期	1985.03.22
申请号	FR19800014530	申请日期	1980.06.30
申请人	DUO FAST CORP	发明人
分类号	B25C7/00;B25C1/00;B25C1/04;(IPC1-7):B25C5/11	主分类号	B25C7/00
代理机构		代理人
主权项
地址

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