Dam forming attachment for lister plows,申请号US19350015859-传众专利搜索

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发明名称	Dam forming attachment for lister plows
摘要
申请公布号	US2021343(A)	申请公布日期	1935.11.19
申请号	US19350015859	申请日期	1935.04.11
申请人	WETSEL HARRY W	发明人	WETSEL HARRY W.
分类号	A01B13/16	主分类号	A01B13/16
代理机构		代理人
主权项
地址

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