NB/T 10947-2022
Coal mine belt conveyor backstop roller technical conditions (English Version)

Standard No.

NB/T 10947-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

Professional Standard - Energy

Latest

NB/T 10947-2022

NB/T 10947-2022 history

• 2022 NB/T 10947-2022 Coal mine belt conveyor backstop roller technical conditions