China 'GB/T 21231.2-2018
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21231.2-2018
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 2: Structure-borne vibration measurements 声学 小型通风装置辐射的空气噪声和引起的结构振动的测量 第2部分:结构振动测量
Issued Date:2018
Implemented Date:2018
Issued by:
The Standardization Administration of the People's Republic of China
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