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经营范围
发明名称
Suction cleaner
摘要
申请公布号
US2291770(A)
申请公布日期
1942.08.04
申请号
US19400343997
申请日期
1940.07.05
申请人
THE HOOVER COMPANY
发明人
SMELLIE DONALD 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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