Attachment frame for tractor planters,申请号US19520306852-传众专利搜索

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发明名称	Attachment frame for tractor planters
摘要
申请公布号	US2751836(A)	申请公布日期	1956.06.26
申请号	US19520306852	申请日期	1952.08.25
申请人	DEERE & COMPANY	发明人	OEHLER WILLIAM P.;YOUNGBERG CHARLES H.
分类号	A01C7/20	主分类号	A01C7/20
代理机构		代理人
主权项
地址

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