One-way disk harrow or plow,申请号US19460644899-传众专利搜索

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发明名称	One-way disk harrow or plow
摘要
申请公布号	US2661675(A)	申请公布日期	1953.12.08
申请号	US19460644899	申请日期	1946.02.01
申请人	S. J. SAFIAN	发明人	FYKE RUSSELL W.
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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