System and implement for deep tillage of the soil,申请号US19560561702-传众专利搜索

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发明名称	System and implement for deep tillage of the soil
摘要
申请公布号	US3002574(A)	申请公布日期	1961.10.03
申请号	US19560561702	申请日期	1956.01.26
申请人	PADRICK JOHN R	发明人	PADRICK JOHN R.
分类号	A01B15/02;A01B35/14;E02F9/28	主分类号	A01B15/02
代理机构		代理人
主权项
地址

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