Matériel et son procédé d'utilisation pour la substitution des voies ferrées,申请号FRD782599-传众专利搜索

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发明名称	Matériel et son procédé d'utilisation pour la substitution des voies ferrées
摘要
申请公布号	FR782599(A)	申请公布日期	1935.06.07
申请号	FRD782599	申请日期	1934.12.11
申请人	ENTREPRISE DROUARD FRERES	发明人
分类号	E01B29/02	主分类号	E01B29/02
代理机构		代理人
主权项
地址

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