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家用燃气快速热水器和燃气采暖热水炉能源效率标识计量检测规则
Rules of Metrology Testing for Energy Efficiency Label of Domestic Gas Instantaneous Water Heater and Gas Fired Heating and Hot Water Combi-boilers
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煤气隔断装置安全技术规范
Technical code on safety of gas curtain appliance
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膜式燃气表型式评价大纲
Test Program for Pattern Evaluation of Diaphragm Gas Meters
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膜式燃气表
Diaphragm Gas Meters
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带弹簧管压力表的气体减压器校准规范
Calibration Specification for Pressure Regulators with Bourdon Tube Pressure Gauge
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城镇燃气报警控制系统技术规程
Technical specification for gas alarm and control system
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中间腔空气隔断型倒流防止器
Backflow freventer with intermediate atmospheric vent
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家用燃气燃烧器具电子控制器
Electronic controller of household gas burning appliances
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冷凝式燃气采暖热水器(附英文版)
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冷凝式家用燃气快速热水器(附英文版)
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