China National Standards
China GB Standards Search 　


 China 'GB/T 4854.4-1999 ' standard english version:

　

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 4854.4-1999

Acoustics--Reference zero for the calibration of audiometric equipment--Part 4:Reference levels for narrow-band masking noise
声学 校准测听设备的基准零级 第4部分:窄带掩蔽噪声的基准级
Issued Date:1999-03-08 　 Implemented Date:1999-09-01
Issued by: 　 The Standardization Administration of the People's Republic of China
　

English Chinese 		Thanks for your interest in "GB/T 4854.4-1999" standard !
Click the CART button to add in the Shopping Cart for price inquiry.
We will quote you within 1~2 work day.

GB Standard Code GB/T 4854.4-1999
Standard Category China National Standards
GB Standard English Title Acoustics--Reference zero for the calibration of audiometric equipment--Part 4:Reference levels for narrow-band masking noise
GB Standard Chinese Title 声学 校准测听设备的基准零级 第4部分:窄带掩蔽噪声的基准级
Chinese Version Price $5.00  per  page
English Translation Fee $15.00~$30.00   per  page
Pages & Price
Member Price   10%~50% off

* Order Items   　
* Payment Amount USD
* Email 　
How to pay by credit or debit card?  
　
  • Relational GB standards of GB/T 4854.4-1999     Keywords: Acoustics Reference zero the calibration audiometric equipment 4:Reference levels ...
    		•
    Order Process Chart

    Free sign up a member account, Log in the Member Center.     		  

    Lookup the Standards you want to order.
    Add Standards in Shopping Cart,  you can add or delete standards in the Shopping Cart before you submit the Price Inquiry
    We will calculate the amount of words of these standards in your cart, give you quotation within 1~2 work day.
    Before Check out, you can delete the Standards you don't want to buy, then make the payment.
    Waiting for our translation, the time is depend on the Standards pages, usually need 1-2 week (about 5~10 pages per day).
    Download Standards PDF Files in this system or Sent to your email
    　

    +86-755-25831330        sales@gbstandards.org 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2025 All Rights Reserved

    		- Since 2001 -
     Focus on China Standards & Compliance Services

    www.gbstandards.org
    China National Standards


    ID365