China National Standards

China directivity GB Standards English PDF List


GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "directivity" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 32524.2-2016 Acoustics—Determination of sound power level and directivity character of power capacitor using sound pressure—Part 2: Engineering methods for an essentially free field over a reflecting plane
    声学 声压法测定电力电容器单元的声功率级和指向特性 第2部分:反射面上方近似自由场的工程法
    China National Standards
    directivity

    English PDF
    GB/T 32524.1-2016 Acoustics—Determination of sound power level and directivity character of power capacitor unit using sound pressure—Part 1: Precision method for hemi-anechoic rooms
    声学 声压法测定电力电容器单元的声功率级和指向特性 第1部分:半消声室精密法
    China National Standards
    directivity

    English PDF
    GB/T 18311.20-2007 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-20: Examinations and measurements - directivity of fibre optic branching devices
    纤维光学互连器件和无源器件 基本试验和测量程序 第3-20部分:检查和测量 纤维光学分路器件的方向性
    China National Standards
    directivity

    English PDF

    Find out:3Items   |  To Page of: First -Previous-Next -Last  | 1

     

    +86-755-25831330        sales@gbstandards.org 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2024 All Rights Reserved

    - Since 2001 -
    Focus on China Standards & Compliance Services

    www.rjs.cn

    China Licenses

    www.transcustoms.com

    China HS code & Tariff

    www.gbstandards.org

    China National Standards