code of china Chinese Classification Professional Classification ICS Classification Latest News

LoginRegister
GB/T 4854.7-2008 Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
Standard No.: GB/T 4854.7-2008 Status: VALID remind me the status change
Language: English File Format: PDF
Word Count: 8000 words Price(USD): 240 (USD) remind me the price change
Implemented on: 2009-02-01 Delivery: via email in 1-3 business day
Purchase steps: 1 - Add shopping cart → 2 - My shopping cart → 3 - Login → 4 - Invoice information → 5 - Checkout
Standard No.: GB/T 4854.7-2008
Chinese Name: 声学 校准测听设备的基准零级 第7部分: 自由场与扩散场测听的基准听阈
English Name: Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
Professional Classification: A59 Acoustic Measurement
Professional Classification: GB National Standard
ICS Classification: 17.140
Issued by:
Issued on: 2008-07-02
Implemented on: 2009-02-01
Status: VALID
Replace:GB/T4854.7-1999 Acoustics-Reference zero for the calibration of audiometric equipment-Part 7:Reference threshold of hearing under free-field and diffuse-field listening conditions
Language: English
File Format: PDF
Word Count: 8000 words
Price(USD): 240 (USD)
Delivery: via email in 1-3 business day
GB/T 4854.7-2008 The following standards are cited:
GB/T 4854.7-2008 Cited by the following standards:
Contact Us
Tel: +86-10-8572 5655
Fax: +86-10-8581 9515
Email: coc@codeofchina.com
QQ: 672269886
About Us | Contact Us | Terms of Service | Privacy | Cancellation & Refund Policy | Payment
Tel:+86-10-8572 5655 Fax:+86-10-8581 9515 Email: coc@codeofchina.com QQ: 672269886
Copyright:TransForyou Co., Ltd. 2008-2020