Perfectionnements dans la constitution et la fabrication des canaux portés en béton armé,申请号FRD61275-传众专利搜索

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发明名称	Perfectionnements dans la constitution et la fabrication des canaux portés en béton armé
摘要
申请公布号	FR61275(E)	申请公布日期	1955.04.25
申请号	FRD61275	申请日期	1950.11.14
申请人	SOCIETE PARISIENNE POUR L'INDUSTRIE ELECTRIQUE	发明人
分类号	E02B5/00	主分类号	E02B5/00
代理机构		代理人
主权项
地址

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