Rotary tillage tool,申请号US19370158443-传众专利搜索

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发明名称	Rotary tillage tool
摘要
申请公布号	US2192342(A)	申请公布日期	1940.03.05
申请号	US19370158443	申请日期	1937.08.10
申请人	LEON DUFOUR	发明人	DUFOUR LEON
分类号	A01B33/14	主分类号	A01B33/14
代理机构		代理人
主权项
地址

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