Traverse en béton armé pour chemins de fer.,申请号CHD145084-传众专利搜索

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发明名称	Traverse en béton armé pour chemins de fer.
摘要
申请公布号	CH145084(A)	申请公布日期	1931.02.15
申请号	CHD145084	申请日期	1929.08.07
申请人	LA VOIE FERREE MODERNE	发明人	MODERNE LA VOIE FERREE
分类号		主分类号
代理机构		代理人
主权项
地址

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