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经营范围
发明名称
Suction cleaner
摘要
申请公布号
US2244132(A)
申请公布日期
1941.06.03
申请号
US19380206739
申请日期
1938.05.09
申请人
THE HOOVER COMPANY
发明人
TAYLOR CHARLES H.
分类号
A47L5/30;A47L5/34;A61G1/02;A61G1/04
主分类号
A47L5/30
代理机构
代理人
主权项
地址
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