,申请号FR19740018338-传众专利搜索

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发明名称
摘要
申请公布号	FR2273137(B3)	申请公布日期	1977.03.25
申请号	FR19740018338	申请日期	1974.05.28
申请人	GERARD PHILIPPE	发明人
分类号	C04B28/02;(IPC1-7):E04F13/00	主分类号	C04B28/02
代理机构		代理人
主权项
地址

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