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经营范围
发明名称
Suction cleaner
摘要
申请公布号
US1907644(A)
申请公布日期
1933.05.09
申请号
US19300499139
申请日期
1930.12.01
申请人
THE HOOVER COMPANY
发明人
FAIRFAX HOWARD G.
分类号
A47L5/32
主分类号
A47L5/32
代理机构
代理人
主权项
地址
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