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经营范围
发明名称
Electrical control for suction cleaners
摘要
申请公布号
US3002216(A)
申请公布日期
1961.10.03
申请号
US19580763875
申请日期
1958.09.29
申请人
THE HOOVER COMPANY
发明人
BEACH JUSTICE H.
分类号
A47L5/36;A47L9/24;A47L9/28;H01H9/06;H01H13/08
主分类号
A47L5/36
代理机构
代理人
主权项
地址
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