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| Position: Chinese Standard in English/GB/T 6657-1986 |
| GB/T 6657-1986 Measurement of electroacoustical characteristics of hearing aids (English Version) | |||
| Standard No.: | GB/T 6657-1986 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 8000 words | Price(USD): | 240.00 remind me the price change |
| Implemented on: | 1987-8-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB/T 6657-1986 |
| English Name: | Measurement of electroacoustical characteristics of hearing aids |
| Chinese Name: | 助听器电声特性的测量方法 |
| Chinese Classification: | M72 Sound and electronic sound equipment |
| Professional Classification: | GB National Standard |
| ICS Classification: | 33.160.10 Amplifiers |
| Issued by: | National Bureau of Standards |
| Issued on: | 1986-07-31 |
| Implemented on: | 1987-8-1 |
| Status: | superseded |
| Superseded by: | GB/T 25102.100-2010 Electroacoustics—Hearing aids—Part 0:Measurement of electroacoustical characteriistics |
| Superseded on: | 2011-4-1 |
| Abolished on: | 2011-04-01 |
| Language: | English |
| File Format: | |
| Word Count: | 8000 words |
| Price(USD): | 240.00 |
| Delivery: | via email in 1~3 business day |