gb5275
gb5275, Total:2 items.
The international standard classification for "gb5275" includes: Chemical analysis .
The Chinese standard classification for "gb5275" includes: Material composition analysis instrument and environment detection instrument in general .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 5275-1985 Gas analysis--Preparation of calibration gas mixtures--Permeation method
- GB/T 5275-2005 Gas analysis-Preparation of calibration gas mixtures-Permeation method
