Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

Standard Insuued on: 2010-12

GB/T 25498.3-2010    Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry
电声学 人头模拟器和耳模拟器 第3部分:校准压耳式测听耳机用声耦合器
Category No.:GB Valid Status:valid
Issued Organization:AQSIQ, SAC Issued Date:2010-12-1
Implemented Date:2011-5-1 Abolished Date:
Superseded Standard.: Superseded Date:
Back          Detail

YY/T 0776-2010   DB11/ 554.6-2010   DB37/T 1711-2010   DB37/T 1714-2010   DB11/T 759-2010   DB37/T 1709-2010   DB21/T 1868-2010   DB65/T 3190-2010   DB41/T 662-2010   DB37/T 1715-2010   DB11/ 554.5-2010   GB/T 25654-2010   DB37/T 484-2010   DB21/T 1850-2010   DB36/T 601-2010   DB11/T 755-2010   YY/T 0773-2010   DB62/T 1996-2010   DB37/T 1748-2010   DB37/T 1747-2010  

Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: TransForyou Co., Ltd. 2008-2040