Retractable trailer hitch,申请号US19510208483-传众专利搜索

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发明名称	Retractable trailer hitch
摘要
申请公布号	US2665923(A)	申请公布日期	1954.01.12
申请号	US19510208483	申请日期	1951.01.30
申请人	PERRY PAUL L	发明人	PERRY PAUL L.
分类号	B60D1/26	主分类号	B60D1/26
代理机构		代理人
主权项
地址

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