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| Position: Chinese Standard in English/GB/T 7921-1997 |
| GB/T 7921-1997 Uniform colour space and colour difference formula (English Version) | |||
| Standard No.: | GB/T 7921-1997 | Status: | superseded remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 6500 words | Price(USD): | 190.0 remind me the price change |
| Implemented on: | 1997-10-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB/T 7921-1997 |
| English Name: | Uniform colour space and colour difference formula |
| Chinese Name: | 均匀色空间和色差公式 |
| Chinese Classification: | A26 Color |
| Professional Classification: | GB National Standard |
| ICS Classification: | 17.180.20 Colours and measurement of light |
| Issued by: | STSB |
| Issued on: | 1997-05-04 |
| Implemented on: | 1997-10-1 |
| Status: | superseded |
| Superseded by: | GB/T 7921-2008 Uniform color space and color difference formula |
| Superseded on: | 2009-3-1 |
| Superseding: | GB 7921-1987 |
| Language: | English |
| File Format: | |
| Word Count: | 6500 words |
| Price(USD): | 190.0 |
| Delivery: | via email in 1~3 business day |