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发明名称
Suction cleaner
摘要
申请公布号
US1878914(A)
申请公布日期
1932.09.20
申请号
US19300456329
申请日期
1930.05.28
申请人
THE HOOVER COMPANY
发明人
SWARTZ RICHEY L.
分类号
A47L5/30
主分类号
A47L5/30
代理机构
代理人
主权项
地址
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