Poutrelle pour planchers en béton armé,申请号FRD723502-传众专利搜索

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发明名称	Poutrelle pour planchers en béton armé
摘要
申请公布号	FR723502(A)	申请公布日期	1932.04.11
申请号	FRD723502	申请日期	1931.09.30
申请人	TUILERIES MECANIQUES D'EGUISHEIM	发明人
分类号	E04C3/22	主分类号	E04C3/22
代理机构		代理人
主权项
地址

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