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发明名称
Suction floor scrubber
摘要
申请公布号
US3002214(A)
申请公布日期
1961.10.03
申请号
US19590860272
申请日期
1959.12.17
申请人
THE HOOVER COMPANY
发明人
KRAMMES DON C.
分类号
A47L11/30
主分类号
A47L11/30
代理机构
代理人
主权项
地址
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