Perfectionnements aux éléments de construction,申请号FRD911020-传众专利搜索

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发明名称	Perfectionnements aux éléments de construction
摘要
申请公布号	FR911020(A)	申请公布日期	1946.06.26
申请号	FRD911020	申请日期	1945.05.24
申请人	THE TRUSSED CONCRETE STEEL COMPANY LIMITED	发明人
分类号	E04C3/04;E04C3/07;E04C3/292	主分类号	E04C3/04
代理机构		代理人
主权项
地址

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