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发明名称
摘要
申请公布号	FR2032478(A1)	申请公布日期	1970.11.27
申请号	FR19700007310	申请日期	1970.02.27
申请人	ERRUT PRODUCTS LTD	发明人
分类号	B25D17/02;B28D1/18;E01C23/088;E21C25/00;(IPC1-7):B26D1/00;E02F5/00	主分类号	B25D17/02
代理机构		代理人
主权项
地址

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