China Safety shut-off valv GB Standards Search Result

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	GB/T 41315-2022 Safety shut-off valve for urban gas transmission and distribution system 城镇燃气输配系统用安全切断阀 - 英文版
	GB/T 37992-2019 Safety and control devices for gas burners and gas-burning-appliances—Particular requirements—Vavle-proving systems for automatic shut-off 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截止阀的阀门检验系统 - 英文版

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