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| Position: Chinese Standard in English/GB/T 11454-1989 |
| GB/T 11454-1989 Magnetic field strength in audio-frequency induction loops for hearing aid purposes (English Version) | |||
| Standard No.: | GB/T 11454-1989 | Status: | abolished |
| Language: | English | File Format: | |
| Word Count: | 2000 words | Price(USD): | 180.00 remind me the price change |
| Implemented on: | 1990-4-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB/T 11454-1989 |
| English Name: | Magnetic field strength in audio-frequency induction loops for hearing aid purposes |
| Chinese Name: | 助听器用音频感应回路的磁场强度 |
| Chinese Classification: | L31 Electroacoustic device |
| Professional Classification: | GB National Standard |
| Issued by: | SBTS |
| Issued on: | 1989-06-02 |
| Implemented on: | 1990-4-1 |
| Status: | abolished |
| Superseded by: | GB/T 25102.4-2010 Electroacoustics—Hearing aids—Part 4:Induction loop systems for hearing aid purposes—Magnetic field strength |
| Superseded on: | 2011-4-1 |
| Abolished on: | 2011-04-01 |
| Language: | English |
| File Format: | |
| Word Count: | 2000 words |
| Price(USD): | 180.00 |
| Delivery: | via email in 1~3 business day |