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See Chinese contents: CJ/T 421-2013 CJ/T 421-2013: Electronic controller of household gas burning appliances
This Standard specifies terms and definitions, classification, structure, requirements, test methods, inspection rules, designation, installation and operation instructions, packaging, transportation and storage of electric controller for household gas burning appliances that use urban gas specified in GB/T 13611. This Standard applies to production and inspection of electric controller for household gas burning appliances.
