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发明名称
Toothbrush
摘要
申请公布号
US1886024(A)
申请公布日期
1932.11.01
申请号
US19310563163
申请日期
1931.09.16
申请人
JANSSEN FREDERICK W
发明人
JANSSEN FREDERICK W.
分类号
A45B3/10;A46B9/04
主分类号
A45B3/10
代理机构
代理人
主权项
地址
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