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发明名称
Improvements in tooth brushes
摘要
申请公布号
GB403310(A)
申请公布日期
1933.12.21
申请号
GB19330017645
申请日期
1933.06.21
申请人
THOMAS FREDERICK BRYAN ATKINSON
发明人
分类号
A61C17/24
主分类号
A61C17/24
代理机构
代理人
主权项
地址
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