Fabrication de constructions en béton précontraint telles que poteaux, poutres, etc.,申请号FRD56379-传众专利搜索

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发明名称	Fabrication de constructions en béton précontraint telles que poteaux, poutres, etc.
摘要
申请公布号	FR56379(E)	申请公布日期	1952.09.23
申请号	FRD56379	申请日期	1946.09.13
申请人	SOCIETE NATIONALE DES CHEMINS DE FER FRANCAIS	发明人	WEINBERG VICTOR
分类号	E04C5/12	主分类号	E04C5/12
代理机构		代理人
主权项
地址

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