T/CNCA 011-2021
Technical requirements for the survey of natural disaster-affected bodies in underground coal mines (English Version)

Standard No.

T/CNCA 011-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

Group Standards of the People's Republic of China

Latest

T/CNCA 011-2021

T/CNCA 011-2021 history

• 2021 T/CNCA 011-2021 Technical requirements for the survey of natural disaster-affected bodies in underground coal mines