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经营范围
发明名称
Unitary floor scrubbing and drying appliance
摘要
申请公布号
US3117337(A)
申请公布日期
1964.01.14
申请号
US19570652565
申请日期
1957.04.12
申请人
THE HOOVER COMPANY
发明人
KRAMMES DON C.
分类号
A47L5/24;A47L11/30
主分类号
A47L5/24
代理机构
代理人
主权项
地址
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