air quality level
air quality level, Total:2 items.
The international standard classification for "air quality level" includes: Compressors and pneumatic machines , Railway rolling stock in general .
The Chinese standard classification for "air quality level" includes: Compressor and fan , Braking system .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 13277-1991 Compressed air for general use－Quality classes
Professional Standard - Railway
- TB/T 3124-2005 The quality class and measurement methods for the braking compressed air for the railway vehicles
astm grade,scale grade,grade axis,Basin level,Weld grade,jp grade,Sulfuric acid grade,quality level,biological level,Sulfuric acid grade,eggplant grade,strawberry grade,fade level,dsc level,software level,fade level,quality level,Impact Rating,air quality level
