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| Position: Chinese Standard in English/GB 4963-1985 |
| GB 4963-1985 Normal equal-loudness contours for pure tones under free field listening conditions (English Version) | |||
| Standard No.: | GB 4963-1985 | Status: | abolished remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 3000 words | Price(USD): | 90.0 remind me the price change |
| Implemented on: | 1985-10-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 4963-1985 |
| English Name: | Normal equal-loudness contours for pure tones under free field listening conditions |
| Chinese Name: | 自由场纯音标准等响线 |
| Chinese Classification: | A42 Physics and Mechanics |
| Professional Classification: | GB National Standard |
| Issued by: | China State Bureau of Standards |
| Issued on: | 1985-02-28 |
| Implemented on: | 1985-10-1 |
| Status: | abolished |
| Superseded by: | GB/T 4963-2007 Acoustics—Normal equal-loudness-level contours |
| Superseded on: | 2008-5-1 |
| Abolished on: | 2008-05-01 |
| Language: | English |
| File Format: | |
| Word Count: | 3000 words |
| Price(USD): | 90.0 |
| Delivery: | via email in 1~3 business day |