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GB/T 4854.1-1999 Acoustics--Reference zero for the calibration of audiometric equipment--Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Standard No.: GB/T 4854.1-1999 Status: ABOLISHED remind me the status change
Language: English File Format: PDF
Word Count: 5500 words Price(USD): 165 (USD) remind me the price change
Implemented on: 1999-09-01 Delivery: via email in 1-3 business day
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Standard No.: GB/T 4854.1-1999
Chinese Name: 声学 校准测听设备的基准零级 第1部分:压耳式耳机纯音基准等效阈声压级
English Name: Acoustics--Reference zero for the calibration of audiometric equipment--Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Professional Classification: A42 Physics and Mechanics
Professional Classification: GB National Standard
ICS Classification: 17.140.99 Other standards related to acoustics
Issued by:
Issued on: 1999-03-08
Implemented on: 1999-09-01
Status: ABOLISHED
Replace By:GB/T4854.1-2004 Acoustics?Reference zero for the calibration of audiometric equipment?Part 1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Replace By Date:2004-12-01
Language: English
File Format: PDF
Word Count: 5500 words
Price(USD): 165 (USD)
Delivery: via email in 1-3 business day
GB/T 4854.1-1999 The following standards are cited:
GB/T 4854.1-1999 Cited by the following standards:
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