Construction métallique perfectionnée pour planchers, marches d'escalier, etc.,申请号FRD969146-传众专利搜索

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发明名称	Construction métallique perfectionnée pour planchers, marches d'escalier, etc.
摘要
申请公布号	FR969146(A)	申请公布日期	1950.12.14
申请号	FRD969146	申请日期	1948.07.13
申请人		发明人	BETTLES JOHN WILLIAM EDWARD
分类号	E04C2/42	主分类号	E04C2/42
代理机构		代理人
主权项
地址

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