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经营范围
发明名称
Suction cleaner
摘要
申请公布号
US2739666(A)
申请公布日期
1956.03.27
申请号
US19540452666
申请日期
1954.08.27
申请人
THE HOOVER COMPANY
发明人
SECK WERNER G.
分类号
A47L9/14
主分类号
A47L9/14
代理机构
代理人
主权项
地址
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