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| Position: Chinese Standard in English/JJG 991-2004 |
| JJG 991-2004 Verification Regulation of Aural Impedance Audiometers (English Version) | |||
| Standard No.: | JJG 991-2004 | Status: | superseded remind me the status change |
| Target Language: | English | File Format: | |
| Word Count: | 10000 words | Translation Price(USD): | 300.0 remind me the price change |
| Implemented on: | 2004-12-21 | Delivery: | via email in 1~3 business day |
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| Standard No.: | JJG 991-2004 |
| English Name: | Verification Regulation of Aural Impedance Audiometers |
| Chinese Name: | 阻抗听力计检定规程 |
| Chinese Classification: | A59 Acoustic Measurement |
| Professional Classification: | JJ Metering |
| ICS Classification: | 17.140.01 Acoustic measurements and noise abatement in general |
| Source Content Issued by: | AQSIQ |
| Issued on: | 2004-9-21 |
| Implemented on: | 2004-12-21 |
| Status: | superseded |
| Superseded by: | JJG 991-2017 Audiometric Equipment—Instruments for the Measurement of Aural Acoustic Impedance/Admittance |
| Superseded on: | 2018-5-20 |
| Target Language: | English |
| File Format: | |
| Word Count: | 10000 words |
| Translation Price(USD): | 300.0 |
| Delivery: | via email in 1~3 business day |