| 发明名称 |
Method of and apparatus for monitoring gaseous pollutants |
| 摘要 |
Laser scanning apparatus for monitoring gaseous pollutants uses two intersecting scanning beams so that the point of intersection (which is monitored by both scanning beams) can be identified by triangulation.
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| 申请公布号 |
US4529317(A) |
申请公布日期 |
1985.07.16 |
| 申请号 |
US19820353938 |
申请日期 |
1982.03.02 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES, PLC |
发明人 |
CRAMP, JOHN H. W. |
| 分类号 |
G01N21/25;G01N21/39;G01S17/46;G08C23/00;G08C23/04;(IPC1-7):G01N21/35 |
主分类号 |
G01N21/25 |
| 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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