发明名称 |
DEVICE 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. |
申请公布号 |
DE3567714(D1) |
申请公布日期 |
1989.02.23 |
申请号 |
DE19853567714 |
申请日期 |
1985.09.18 |
申请人 |
B.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):F16P1/06 |
主分类号 |
B23K9/127 |
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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