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经营范围
发明名称
Floor polisher
摘要
申请公布号
US2683884(A)
申请公布日期
1954.07.20
申请号
US19490091980
申请日期
1949.05.07
申请人
THE HOOVER COMPANY
发明人
KOHL ERHARD O.
分类号
A47L11/16
主分类号
A47L11/16
代理机构
代理人
主权项
地址
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