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经营范围
发明名称
Suction cleaners and converter facilities therefor
摘要
申请公布号
US2784439(A)
申请公布日期
1957.03.12
申请号
US19510226478
申请日期
1951.05.15
申请人
THE HOOVER COMPANY
发明人
BRACE GEORGE A.
分类号
A47L5/32
主分类号
A47L5/32
代理机构
代理人
主权项
地址
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