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发明名称
Toothbrush
摘要
申请公布号
US2429437(A)
申请公布日期
1947.10.21
申请号
US19450595821
申请日期
1945.05.25
申请人
WALKER MAURICE J
发明人
WALKER MAURICE J.
分类号
A46B7/02
主分类号
A46B7/02
代理机构
代理人
主权项
地址
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