Heating, ventilation, air conditioning and air cleaning equipment in building—Units and symbols

Standard published on 23.5.2023

Stage division and code of procedure for development of national standards

Standard published on 27.1.1997

Names of Chinese main woods

Standard published on 5.2.1997

Road vehicle—Vehicle identification number (VIN)

Standard published on 14.10.2019

Road vehicle—World manufacturer identifier (WMI) code

Standard published on 14.10.2019

Road vehicler--World parts manufacturer identifier (WPMI) code

Standard published on 21.2.1997

Operating conditions for automobile maintenance and repair trade—Part 1: The enterprise for automobile maintenance and repair

Standard published on 7.9.2023

Operating conditions for automobile maintenance and repair trade—Part 2: The enterprise for automobile comprehensive current repair and maintenance and repair of special items

Standard published on 7.9.2023

National Food Safety Standard -- Health foods

Standard published on 24.12.2014

Function representation of particle size distribution - Power-function

Standard published on 18.7.2008