Disk harrow with stalk ejector,申请号US19520272279-传众专利搜索

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发明名称	Disk harrow with stalk ejector
摘要
申请公布号	US2760424(A)	申请公布日期	1956.08.28
申请号	US19520272279	申请日期	1952.02.19
申请人	COOPER HUGH E	发明人	COOPER HUGH E.
分类号	A01B21/08	主分类号	A01B21/08
代理机构		代理人
主权项
地址

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