| 发明名称 |
OXYGEN CONCENTRATION DETECTOR |
| 摘要 |
PURPOSE:To keep the oxygen concentration in the internal electrode side gas unchanged for a long period of time by connecting a terminal as gas introducing pipe and a bush as hollow conductive paterial hermetically with elastic substance. |
| 申请公布号 |
JPS5424089(A) |
申请公布日期 |
1979.02.23 |
| 申请号 |
JP19770088431 |
申请日期 |
1977.07.25 |
| 申请人 |
HITACHI LTD |
发明人 |
NAKAMURA KOUSUKE;KAGAMI TERUYUKI;ITOU KAZUTOSHI |
| 分类号 |
G01N27/409;F02B77/08 |
主分类号 |
G01N27/409 |
| 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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