Snow roller for roads,申请号US19300454089-传众专利搜索

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发明名称	Snow roller for roads
摘要
申请公布号	US1842717(A)	申请公布日期	1932.01.26
申请号	US19300454089	申请日期	1930.05.20
申请人	DOYLE PATRICK A	发明人	DOYLE PATRICK A.
分类号	E01H4/00	主分类号	E01H4/00
代理机构		代理人
主权项
地址

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