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经营范围
发明名称
Suction cleaner
摘要
申请公布号
US2112285(A)
申请公布日期
1938.03.29
申请号
US19360067885
申请日期
1936.03.09
申请人
THE HOOVER COMPANY
发明人
GLASS DAVID L.
分类号
A47L9/04
主分类号
A47L9/04
代理机构
代理人
主权项
地址
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