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经营范围
发明名称
Saliva ejector
摘要
申请公布号
US3084440(A)
申请公布日期
1963.04.09
申请号
US19610148212
申请日期
1961.10.27
申请人
WENOF IRVING J
发明人
WENOF IRVING J.
分类号
A61C17/08
主分类号
A61C17/08
代理机构
代理人
主权项
地址
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