Variable tension hitch for agricultural implement,申请号US19520320167-传众专利搜索

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发明名称	Variable tension hitch for agricultural implement
摘要
申请公布号	US2727346(A)	申请公布日期	1955.12.20
申请号	US19520320167	申请日期	1952.11.13
申请人	THE COBEY CORPORATION	发明人	WITWER WALLACE J.
分类号	A01B59/042;A01D76/00	主分类号	A01B59/042
代理机构		代理人
主权项
地址

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