Draft device for railway rolling stock,申请号US19560574453-传众专利搜索

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发明名称	Draft device for railway rolling stock
摘要
申请公布号	US2863570(A)	申请公布日期	1958.12.09
申请号	US19560574453	申请日期	1956.03.28
申请人	INTERNATIONAL STEEL COMPANY	发明人	HICKS HAROLD H.
分类号	B61G7/08	主分类号	B61G7/08
代理机构		代理人
主权项
地址

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