Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 37499-2019 |
Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Automatic and semi-automatic valves 燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 自动和半自动阀 |
China National Standards requirements—Automatic |
English PDF |
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