Automatic tractor control,申请号US19400331851-传众专利搜索

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发明名称	Automatic tractor control
摘要
申请公布号	US2259193(A)	申请公布日期	1941.10.14
申请号	US19400331851	申请日期	1940.04.26
申请人	WINSTON ANDREW FRANK	发明人	ANDREW FRANK WINSTON
分类号	A01B69/00;B62D1/26	主分类号	A01B69/00
代理机构		代理人
主权项
地址

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