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发明名称
Brush and holder assembly
摘要
申请公布号
US3361507(A)
申请公布日期
1968.01.02
申请号
US19660519268
申请日期
1966.01.07
申请人
COLUMBIA CARBON COMPANY
发明人
O'NEIL ROBERT A.
分类号
A47K17/00;A47L13/51
主分类号
A47K17/00
代理机构
代理人
主权项
地址
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