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经营范围
发明名称
Suction sweeper
摘要
申请公布号
US1829548(A)
申请公布日期
1931.10.27
申请号
US19260080731
申请日期
1926.01.12
申请人
THE HOOVER COMPANY
发明人
SMELLIE DONALD G.;WHITE HARRY B.;NULSEN MARVIN E.
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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