Poutrelle métallique légère pour planchers en béton armé,申请号FRD69152-传众专利搜索

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发明名称	Poutrelle métallique légère pour planchers en béton armé
摘要
申请公布号	FR69152(E)	申请公布日期	1958.10.22
申请号	FRD69152	申请日期	1953.04.03
申请人		发明人	PHILIBERT JOSEPH-MARIUS
分类号	E04B5/29;E04B5/40;E04C5/065	主分类号	E04B5/29
代理机构		代理人
主权项
地址

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