Perfectionnements à l'établissement et à l'entretien des voies ferrées,申请号FRD703750-传众专利搜索

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发明名称	Perfectionnements à l'établissement et à l'entretien des voies ferrées
摘要
申请公布号	FR703750(A)	申请公布日期	1931.05.05
申请号	FRD703750	申请日期	1930.10.16
申请人	SOCIETE D'ETUDES MECANIQUES ET D'ORGANISATION INDUSTRIELLE	发明人
分类号	E01B3/10	主分类号	E01B3/10
代理机构		代理人
主权项
地址

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