code of china Chinese Classification Professional Classification ICS Classification Latest News

LoginRegister
GB 7614-1987 An artificial ear of wide band type for the calibration of earphones used in audiometry
Standard No.: GB 7614-1987 Status: ABOLISHED remind me the status change
Language: English File Format: PDF
Word Count: 2500 words Price(USD): 75 (USD) remind me the price change
Implemented on: 1987-11-01 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 7614-1987
Chinese Name: 校准测耳机用的宽频带型仿真耳
English Name: An artificial ear of wide band type for the calibration of earphones used in audiometry
Professional Classification: L31 Electroacoustic device
Professional Classification: GB National Standard
ICS Classification: 33.140
Issued by:
Issued on: 1987-04-02
Implemented on: 1987-11-01
Status: ABOLISHED
Replace By:GB/T25498.1-2010 Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones
Replace By Date:2011-05-01
Language: English
File Format: PDF
Word Count: 2500 words
Price(USD): 75 (USD)
Delivery: via email in 1-3 business day
GB 7614-1987 The following standards are cited:
GB 7614-1987 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