
Industrial furnaces and associated processing equipment—Method of measuring energy balance and calculating efficiency—Part 4: Furnaces with protective or reactive atmosphere
NORMA vydaná dňa 5.10.2025
Designation standards: GB/T 40816.4-2025
Note: K dispozici od: květen 2026
Publication date standards: 5.10.2025
Country: Chinese technical standard
Kategória: Technické normy GB