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通风量受控的箱形炉的标准规格
Standard Specification for Cell-Type Oven with Controlled Rates of Ventilation
参考页数:3P.;A4
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通风量受控的箱形炉的标准规格
Standard Specification for Cell-Type Oven with Controlled Rates of Ventilation
参考页数:3P.;A4
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强制通风油燃器
Forced draught oil burners
参考页数:84P.;A4
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气体燃烧器和燃气器具用安全和控制设备. 特殊要求. 第10部分: 排气阀
Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 10: Vent valves
参考页数:18P.;A4
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