Perfectionnements aux attelages de wagons,申请号FRD709865-传众专利搜索

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发明名称	Perfectionnements aux attelages de wagons
摘要
申请公布号	FR709865(A)	申请公布日期	1931.08.14
申请号	FRD709865	申请日期	1931.01.22
申请人	NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY	发明人
分类号	B61G3/10	主分类号	B61G3/10
代理机构		代理人
主权项
地址

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