Draft gears for railway draft rigging,申请号US19550498907-传众专利搜索

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发明名称	Draft gears for railway draft rigging
摘要
申请公布号	US2880886(A)	申请公布日期	1959.04.07
申请号	US19550498907	申请日期	1955.04.04
申请人	W. H. MINER, INC.	发明人	MULCAHY HARRY W.
分类号	B61G9/06	主分类号	B61G9/06
代理机构		代理人
主权项
地址

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