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发明名称
Method of making brushes
摘要
申请公布号
US2317110(A)
申请公布日期
1943.04.20
申请号
US19380223102
申请日期
1938.08.04
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
PERSON EARL R.
分类号
A46B3/04;A46D3/00;B29C45/14
主分类号
A46B3/04
代理机构
代理人
主权项
地址
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