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发明名称
Vacuum cleaner
摘要
申请公布号
US2304014(A)
申请公布日期
1942.12.01
申请号
US19390271754
申请日期
1939.05.04
申请人
THE SPENCER TURBINE COMPANY
发明人
PAINE WILBUR V.
分类号
A47L5/36
主分类号
A47L5/36
代理机构
代理人
主权项
地址
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