GB/T 41044-2021

Guidelines for coalbed methane extraction in coal mining areas

NORMA vydaná dňa 31.12.2021

Anglicky a čínsky -
Elektronické PDF (121.90 EUR)

The information about the standard:

Designation standards: GB/T 41044-2021
Publication date standards: 31.12.2021
Country: Chinese technical standard
Kategória: Technické normy GB