Perfectionnements aux voies ferrées,申请号FRD1041124-传众专利搜索

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发明名称	Perfectionnements aux voies ferrées
摘要
申请公布号	FR1041124(A)	申请公布日期	1953.10.21
申请号	FRD1041124	申请日期	1951.08.07
申请人		发明人	BAUDY GEORGES
分类号	E01B11/24	主分类号	E01B11/24
代理机构		代理人
主权项
地址

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