GB/T 25217.12-2019

Methods for test, monitoring and prevention of rock burst—Part 12: Prevention method of protective seam mining

NORMA vydaná dňa 30.8.2019

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The information about the standard:

Designation standards: GB/T 25217.12-2019
Publication date standards: 30.8.2019
Country: Chinese technical standard
Kategória: Technické normy GB