Tractor hitch for agricultural implements,申请号US19500161640-传众专利搜索

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发明名称	Tractor hitch for agricultural implements
摘要
申请公布号	US2580532(A)	申请公布日期	1952.01.01
申请号	US19500161640	申请日期	1950.05.12
申请人	DUGGER RICHARD L	发明人	DUGGER RICHARD L.
分类号	A01B63/10;A01B63/32;B62D49/06	主分类号	A01B63/10
代理机构		代理人
主权项
地址

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