Draft coupler and uncoupling apparatus,申请号US19550540461-传众专利搜索

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发明名称	Draft coupler and uncoupling apparatus
摘要
申请公布号	US2897982(A)	申请公布日期	1959.08.04
申请号	US19550540461	申请日期	1955.10.14
申请人	THE OHIO BRASS COMPANY	发明人	LARSSON ERNST A.
分类号	B61G7/02	主分类号	B61G7/02
代理机构		代理人
主权项
地址

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