General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB 25503-2010
Scope
This standard specifies the basic requirements and responsibilities of producers, sellers, installers, maintainers and consumers of urban gas burning appliances in sales and after-sales service activities. This standard applies to the sales and after-sales service activities of gas appliance producers, sellers, installers and maintainers. This standard does not apply to sales and after-sales service activities of industrial gas appliances.
GB 25503-2010 history
2011GB 25503-2010 Requirements in sell and market service of city gas burning-appliances