Perfectionnements aux procédés et à l'outillage de frettage des traverses de chemin de fer,申请号FRD1043281-传众专利搜索

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发明名称	Perfectionnements aux procédés et à l'outillage de frettage des traverses de chemin de fer
摘要
申请公布号	FR1043281(A)	申请公布日期	1953.11.09
申请号	FRD1043281	申请日期	1951.09.25
申请人		发明人	STRAHM FREDERIC-EDOUARD-MAR
分类号	E01B3/08	主分类号	E01B3/08
代理机构		代理人
主权项
地址

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