Plow or colter disk,申请号US19390277709-传众专利搜索

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发明名称	Plow or colter disk
摘要
申请公布号	US2187443(A)	申请公布日期	1940.01.16
申请号	US19390277709	申请日期	1939.06.06
申请人	BEAMER CHARLES W	发明人	BEAMER CHARLES W.
分类号	A01B15/16	主分类号	A01B15/16
代理机构		代理人
主权项
地址

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