GB/T 2831-1981Surface form deviation of optical elements--Inspection methods (English PDF)
光学零件的面形偏差 检验方法 （光圈识别）
GB/T 2831 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 2831-2009 | Surface form deviation of optical elements | Valid |
| GB/T 2831-1981 | Surface form deviation of optical elements--Inspection methods | Obsolete |
GB/T 2831-1981 is obsolete. It has been replaced by GB/T 2831-2009. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Bureau of Standards
Level / Type
National · Recommended
Issue date
December 28, 1981
Implementation date
October 1, 1982
Scope
GB/T 2831-1981 is the English-translated version of 光学零件的面形偏差 检验方法 （光圈识别）.
GB/T 2831-1981 is the Chinese national standard "Surface form deviation of optical elements--Inspection methods". It was issued on December 28, 1981 by the National Bureau of Standards, and took effect on October 1, 1982. It is obsolete: it has been replaced by GB/T 2831-2009.
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Document preview — GB/T 2831-1981
National Standard of the People's Republic of China
Issued by: National Bureau of Standards
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: National Bureau of Standards.
Date of issue: 1981-12-28.
Date of implementation: 1982-10-01.
Status: obsolete, replaced by GB/T 2831-2009.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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