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发明名称
Dental instrument
摘要
申请公布号
US3412469(A)
申请公布日期
1968.11.26
申请号
US19660590094
申请日期
1966.10.27
申请人
ROY L. NEWMAN
发明人
NEWMAN ROY L.
分类号
A61C17/20
主分类号
A61C17/20
代理机构
代理人
主权项
地址
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