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发明名称
Vacuum cleaner
摘要
申请公布号
US2158717(A)
申请公布日期
1939.05.16
申请号
US19350054966
申请日期
1935.12.18
申请人
REXAIR, INC.
发明人
BROCK CLARENCE A.
分类号
A47L9/16;A61G17/00
主分类号
A47L9/16
代理机构
代理人
主权项
地址
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