Snow plow attachment,申请号US19380187426-传众专利搜索

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发明名称	Snow plow attachment
摘要
申请公布号	US2139328(A)	申请公布日期	1938.12.06
申请号	US19380187426	申请日期	1938.01.28
申请人	JOHN COLLINS;WRIGHT SILAS M	发明人	COLLINS JOHN;WRIGHT SILAS M.
分类号	E01H5/06	主分类号	E01H5/06
代理机构		代理人
主权项
地址

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