GB/T 23561.12-2024

Methods for determining the physical and mechanical properties of coal and rock—Part 12:Method for the determination coal hardiness coefficients

NORMA vydaná dňa 23.8.2024

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The information about the standard:

Designation standards: GB/T 23561.12-2024
Publication date standards: 23.8.2024
Country: Chinese technical standard
Kategória: Technické normy GB