GB/T 42251-2022

Technical regulations for ecological restoration of mining subsidence area

NORMA vydaná dňa 30.12.2022

Anglicky a čínsky -
Elektronické PDF (555.40 EUR)

The information about the standard:

Designation standards: GB/T 42251-2022
Publication date standards: 30.12.2022
Country: Chinese technical standard
Kategória: Technické normy GB