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发明名称
Brush
摘要
申请公布号
US1770344(A)
申请公布日期
1930.07.08
申请号
US19290356563
申请日期
1929.04.19
申请人
SCHMIDT FREDERICK E
发明人
SCHMIDT FREDERICK E.
分类号
A46B5/00
主分类号
A46B5/00
代理机构
代理人
主权项
地址
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