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发明名称
Toothbrush
摘要
申请公布号
US1820439(A)
申请公布日期
1931.08.25
申请号
US19290408832
申请日期
1929.11.21
申请人
GORDON CHURCH ROBERT JAMES
发明人
CHURCH ROBERT JAMES GORDON
分类号
A46B15/00
主分类号
A46B15/00
代理机构
代理人
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