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发明名称
Clamp for dental impression trays
摘要
申请公布号
US2315660(A)
申请公布日期
1943.04.06
申请号
US19400358799
申请日期
1940.09.28
申请人
SAHR BENJAMIN F
发明人
SAHR BENJAMIN F.
分类号
A61C9/00
主分类号
A61C9/00
代理机构
代理人
主权项
地址
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