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发明名称
Brush
摘要
申请公布号
US2108742(A)
申请公布日期
1938.02.15
申请号
US19360090308
申请日期
1936.07.13
申请人
THE OSBORN MANUFACTURING COMPANY
发明人
BICKEL FREDERIC J.
分类号
A47L9/06
主分类号
A47L9/06
代理机构
代理人
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