DB23/T 1449-2011 Specifications for the construction of monitoring and early warning systems for fixed major hazards in storage tank areas, warehouse areas and production sites of hazardous chemicals (English Version)
2017DB23/T 1451-2017 Specifications for the construction of major hazard monitoring and early warning systems for hazardous chemical tank farms, reservoirs and production sites
2011DB23/T 1449-2011 Specifications for the construction of monitoring and early warning systems for fixed major hazards in storage tank areas, warehouse areas and production sites of hazardous chemicals
DB23/T 1449-2011 Specifications for the construction of monitoring and early warning systems for fixed major hazards in storage tank areas, warehouse areas and production sites of hazardous chemicals was changed to DB23/T 1451-2017 Specifications for the construction of major hazard monitoring and early warning systems for hazardous chemical tank farms, reservoirs and production sites.