Control structure for plows,申请号US19290369578-传众专利搜索

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发明名称	Control structure for plows
摘要
申请公布号	US1823969(A)	申请公布日期	1931.09.22
申请号	US19290369578	申请日期	1929.06.10
申请人	DAVIS JOHN H	发明人	DAVIS JOHN H.
分类号	A01B5/06	主分类号	A01B5/06
代理机构		代理人
主权项
地址

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