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经营范围
发明名称
Improvements in or connected with tooth brushes
摘要
申请公布号
GB667917(A)
申请公布日期
1952.03.12
申请号
GB19500011752
申请日期
1950.05.11
申请人
ERIC LEOPOLD HUGO COSBY
发明人
分类号
A46B9/04
主分类号
A46B9/04
代理机构
代理人
主权项
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