Brique creuse perfectionnée,申请号FRD982323-传众专利搜索

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发明名称	Brique creuse perfectionnée
摘要
申请公布号	FR982323(A)	申请公布日期	1951.06.08
申请号	FRD982323	申请日期	1949.03.03
申请人	CHICAGO GENERAL CERAMIC COMPANY	发明人
分类号	E04B2/02;E04B2/14	主分类号	E04B2/02
代理机构		代理人
主权项
地址

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