élément destiné à la construction d'un plancher en ciment armé,申请号FRD1079437-传众专利搜索

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发明名称	élément destiné à la construction d'un plancher en ciment armé
摘要
申请公布号	FR1079437(A)	申请公布日期	1954.11.30
申请号	FRD1079437	申请日期	1953.06.19
申请人		发明人	CLAUZON JEAN
分类号	E04B5/21	主分类号	E04B5/21
代理机构		代理人
主权项
地址

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