GB/T 20147.1-2026Colorimetry - Part 1: CIE standard colorimetric observers (English PDF)
色度学 第1部分：CIE标准色度观察者
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Issued by
State Administration for Market Regulation, China National Standardization Administration
Level / Type
National · Recommended
Issue date
April 30, 2026
Implementation date
April 30, 2026
Scope
GB/T 20147.1-2026 is the English-translated version of 色度学 第1部分：CIE标准色度观察者.
GB/T 20147.1-2026 — Colorimetry - Part 1: CIE standard colorimetric observers
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Document preview — GB/T 20147.1-2026
National Standard of the People's Republic of China
- ICS
- 17.180.20
- Classification
- K 70
- Replacing
- GB/T 20147-2006
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- Document data1
Document data
International classification (ICS): 17.180.20.
Chinese classification (CCS): K70.
Estimated length of the Chinese original: 46,490 words.
Supersedes the earlier edition GB/T 20147-2006.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 31 pages — is available in the English PDF.
Referenced standards
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GB/T 20147.1-2026
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