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发明名称
Brush
摘要
申请公布号
US2164617(A)
申请公布日期
1939.07.04
申请号
US19380189305
申请日期
1938.02.08
申请人
ROBERT MARVIN
发明人
MARVIN ROBERT
分类号
A46B7/02
主分类号
A46B7/02
代理机构
代理人
主权项
地址
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