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发明名称
摘要
申请公布号	FR2052477(A5)	申请公布日期	1971.04.09
申请号	FR19700019822	申请日期	1970.05.29
申请人	ENGELHARD MINERALS CHEMI	发明人
分类号	H01H11/04;(IPC1-7):H01H1/00	主分类号	H01H11/04
代理机构		代理人
主权项
地址

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