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经营范围
发明名称
Snow-removal apparatus
摘要
申请公布号
US2387422(A)
申请公布日期
1945.10.23
申请号
US19440535826
申请日期
1944.05.16
申请人
BLAW-KNOX COMPANY
发明人
VENABLE WILLIAM MAYO
分类号
E01H5/09
主分类号
E01H5/09
代理机构
代理人
主权项
地址
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