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发明名称
Brush
摘要
申请公布号
US2102178(A)
申请公布日期
1937.12.14
申请号
US19310540925
申请日期
1931.05.29
申请人
GERHARDT CHARLES C
发明人
GERHARDT CHARLES C.
分类号
A46B13/00
主分类号
A46B13/00
代理机构
代理人
主权项
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