Perfectionnements aux accouplements automatiques de chemins de fer,申请号FRD701779-传众专利搜索

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发明名称	Perfectionnements aux accouplements automatiques de chemins de fer
摘要
申请公布号	FR701779(A)	申请公布日期	1931.03.23
申请号	FRD701779	申请日期	1930.09.08
申请人	NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY	发明人
分类号	B61G5/04	主分类号	B61G5/04
代理机构		代理人
主权项
地址

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