2014CJ/T 454-2014 General rule of equipment and management for water meter of water supply in city and town
1993CJ/T 3019-1993 General rules of equipment and management for metering devices of water supply quantity in cities and towns
CJ/T 3019-1993 General rules of equipment and management for metering devices of water supply quantity in cities and towns was changed to CJ/T 454-2014 General rule of equipment and management for water meter of water supply in city and town.