发明名称 |
Anordning for bedring av miljö i munnhulen ved tannbehandling |
摘要 |
A bubble which consists of an upper section (1) and a lower section (2) held together with a tear-off strip (3). The upper section (1) is provided with an instrument opening (4) and folds (6). The lower section (2) has a dental opening (7) with a frame (9) and an extractor orifice (8). |
申请公布号 |
NO924767(A) |
申请公布日期 |
1994.06.13 |
申请号 |
NO19920004767 |
申请日期 |
1992.12.10 |
申请人 |
NILSSON, JOHN THORLEIF |
发明人 |
NILSSON, JOHN THORLEIF;BORCH, BJOERN |
分类号 |
A61C5/14;A61C17/08;A61C17/10 |
主分类号 |
A61C5/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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