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发明名称
Rubber bristled toothbursh
摘要
申请公布号
US2225331(A)
申请公布日期
1940.12.17
申请号
US19380235587
申请日期
1938.10.18
申请人
PAULINE CAMPBELL
发明人
CAMPBELL CHARLES M.
分类号
A46B9/04
主分类号
A46B9/04
代理机构
代理人
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地址
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