Ridging implement on rotary tilling machines,申请号US19310556900-传众专利搜索

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发明名称	Ridging implement on rotary tilling machines
摘要
申请公布号	US1904138(A)	申请公布日期	1933.04.18
申请号	US19310556900	申请日期	1931.08.13
申请人	JOHN FOWLER & CO., (LEEDS) LTD.	发明人	HASSON PAUL RUDOLPH;ELLIS EDWARD DARWENT
分类号	A01B33/16	主分类号	A01B33/16
代理机构		代理人
主权项
地址

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