| 发明名称 |
Device and method for protecting optical means from contaminated gases |
| 摘要 |
A device and method for protecting optical means from contaminated gases, in which a substantially laminar flow of clean gas is passed over the surface of the optical means to be protected that is exposed to the contaminated gases.
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| 申请公布号 |
US4658113(A) |
申请公布日期 |
1987.04.14 |
| 申请号 |
US19840667551 |
申请日期 |
1984.11.02 |
| 申请人 |
N.V. OPTISCHE INDUSTRIE "DE OUDE DELFT" |
发明人 |
VINGERLING, ABRAHAM |
| 分类号 |
B23K9/127;B23K9/12;B23K9/32;G01B11/00;G02B27/00;(IPC1-7):B23K9/32 |
主分类号 |
B23K9/127 |
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