
Specification for general survey of hidden disaster-causing factors in mines—Part 3: Metal and nonmetal mines and tailings ponds
NORMA vydaná dňa 27.8.2026
Designation standards: GB 48147.3-2026
Note: K dispozici od: březen 2027
Publication date standards: 27.8.2026
Country: Chinese technical standard
Kategória: Technické normy GB