DRAWBAR CONSTRUCTION FOR FURROW OPENER,申请号USD3439749-传众专利搜索

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发明名称	DRAWBAR CONSTRUCTION FOR FURROW OPENER
摘要
申请公布号	US3439749(A)	申请公布日期	1969.04.22
申请号	USD3439749	申请日期	1965.10.22
申请人	INTERN. HARVESTER CO.	发明人	NILS O. OLSSON
分类号	A01B63/22;A01C5/06;(IPC1-7):A01B21/08;A01B5/04;A01B23/04	主分类号	A01B63/22
代理机构		代理人
主权项
地址

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