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经营范围
发明名称
Dental cleaner
摘要
申请公布号
US1997877(A)
申请公布日期
1935.04.16
申请号
US19330692408
申请日期
1933.10.06
申请人
SPANEL ABRAHAM N
发明人
SPANEL ABRAHAM N.
分类号
A61C15/02
主分类号
A61C15/02
代理机构
代理人
主权项
地址
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