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发明名称
Brush belt removing means for vacuum cleaners
摘要
申请公布号
US2616115(A)
申请公布日期
1952.11.04
申请号
US19470771884
申请日期
1947.09.03
申请人
GENERAL ELECTRIC COMPANY
发明人
DAYTON CARL S.
分类号
A47L5/32
主分类号
A47L5/32
代理机构
代理人
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