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发明名称
Dental instrument
摘要
申请公布号
US2086462(A)
申请公布日期
1937.07.06
申请号
US19360091412
申请日期
1936.07.18
申请人
BOST DAVID E
发明人
BOST DAVID E.
分类号
A61C9/00;A61C13/20
主分类号
A61C9/00
代理机构
代理人
主权项
地址
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