Construction en béton armé,申请号FRD711348-传众专利搜索

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发明名称	Construction en béton armé
摘要
申请公布号	FR711348(A)	申请公布日期	1931.09.07
申请号	FRD711348	申请日期	1931.02.16
申请人	SOCIETE DUMEZ	发明人
分类号	E04B7/12	主分类号	E04B7/12
代理机构		代理人
主权项
地址

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