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经营范围
发明名称
Universal dental isolator
摘要
申请公布号
US2706334(A)
申请公布日期
1955.04.19
申请号
US19540425820
申请日期
1954.04.27
申请人
DAIGLE BERT J
发明人
DAIGLE BERT J.
分类号
A61C5/12;A61C5/14
主分类号
A61C5/12
代理机构
代理人
主权项
地址
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