Guizhou Provincial Standard of the People's Republic of China
Latest
DB52/T 886-2014
Scope
This standard applies to the safety requirements for site selection, design, construction, production operation, and management of new and expanded coal mine low-concentration gas purification plants (hereinafter referred to as purification plants).
DB52/T 886-2014 history
2014DB52/T 886-2014 Safety requirements for low-concentration gas purification plants in coal mines