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发明名称
Dental tool
摘要
申请公布号
US2251057(A)
申请公布日期
1941.07.29
申请号
US19400332863
申请日期
1940.05.02
申请人
MODERN PRODUCTS, INC.
发明人
ISEMAN JOHN W.
分类号
A61C1/05
主分类号
A61C1/05
代理机构
代理人
主权项
地址
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