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发明名称
Carpet sweeper brush drive mechanism
摘要
申请公布号
US2193182(A)
申请公布日期
1940.03.12
申请号
US19360105266
申请日期
1936.10.12
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
主权项
地址
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