
Gas analysis—Preparation of calibration gas mixtures—Part 2: Gravimetric method for Class mixtures
NORMA vydána dne 25.5.2026
Designation standards: GB/T 5274.2-2026
Note: K dispozici od: prosinec 2026
Publication date standards: 25.5.2026
Country: Chinese technical standard
Kategorie: Technické normy GB