DB31/T 549-2011
Occupational Hygiene Management Standards for Automobile Gas Stations (English Version)

Standard No.

DB31/T 549-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

Shanghai Provincial Standard of the People's Republic of China

Latest

DB31/T 549-2011

DB31/T 549-2011 history

• 2000 DB31/T 225-1999 Operation management of water gas generator system
• 1970 DB31/T 549-1992 Water gas generator system operation management regulations