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发明名称
Carpet sweeper
摘要
申请公布号
US2082652(A)
申请公布日期
1937.06.01
申请号
US19350011484
申请日期
1935.03.16
申请人
BISSELL CARPET SWEEPER COMPANY
发明人
PULLEN FRED W.
分类号
A47L11/33
主分类号
A47L11/33
代理机构
代理人
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