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发明名称
摘要
申请公布号	FR2243325(A1)	申请公布日期	1975.04.04
申请号	FR19740030912	申请日期	1974.09.12
申请人	BERGWERKSVERBAND GMBH,DT	发明人
分类号	C09K17/00;C08G18/08;C09K17/30;E02D3/12;E21C41/00;E21C41/16;E21D9/00;E21D20/00;F16B13/14;(IPC1-7):E21D21/00;E21D20/02	主分类号	C09K17/00
代理机构		代理人
主权项
地址

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