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| Position: Chinese Standard in English/GB 7614-1987 |
| GB 7614-1987 An artificial ear of wide band type for the calibration of earphones used in audiometry (English Version) | |||
| Standard No.: | GB 7614-1987 | Status: | valid remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 2000 words | Price(USD): | 60.0 remind me the price change |
| Implemented on: | 1987-11-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 7614-1987 |
| English Name: | An artificial ear of wide band type for the calibration of earphones used in audiometry |
| Chinese Name: | 校准测耳机用的宽频带型仿真耳 |
| Chinese Classification: | L31 Electroacoustic device |
| Professional Classification: | GB National Standard |
| Issued by: | SAC |
| Issued on: | 1987-04-02 |
| Implemented on: | 1987-11-1 |
| Status: | valid |
| Superseded by: | GB/T 25498.1-2010 Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones |
| Language: | English |
| File Format: | |
| Word Count: | 2000 words |
| Price(USD): | 60.0 |
| Delivery: | via email in 1~3 business day |