GB 50419-2017
Coal Mine Roadway Sections and Intersections (English Version)

Standard No.

GB 50419-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB 50419-2017

GB 50419-2017 history

• 2017 GB 50419-2017 Coal Mine Roadway Sections and Intersections
• 2007 GB 50419-2007 Code for design of roadway section and junction of coal mine