Combination plow and cultivator,申请号US19290355899-传众专利搜索

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发明名称	Combination plow and cultivator
摘要
申请公布号	US1766407(A)	申请公布日期	1930.06.24
申请号	US19290355899	申请日期	1929.04.17
申请人	J. S. CONWAY;H. M. CONWAY	发明人	SHOTTS WILLIAM A.
分类号	A01B35/18	主分类号	A01B35/18
代理机构		代理人
主权项
地址

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