Adjustable trailer hitch,申请号US19570701437-传众专利搜索

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发明名称	Adjustable trailer hitch
摘要
申请公布号	US2893753(A)	申请公布日期	1959.07.07
申请号	US19570701437	申请日期	1957.12.09
申请人	INDEPENDENT IRON WORKS, INC.	发明人	BAKER ROBERT N.
分类号	B60D1/06;B60D1/14	主分类号	B60D1/06
代理机构		代理人
主权项
地址

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