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经营范围
发明名称
Dental apparatus
摘要
申请公布号
US2287058(A)
申请公布日期
1942.06.23
申请号
US19410387705
申请日期
1941.04.09
申请人
PIEPER ALPHONSE F
发明人
PIEPER ALPHONSE F.
分类号
A61G15/16
主分类号
A61G15/16
代理机构
代理人
主权项
地址
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