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公称压力25巴的冷冻电路的阀门的螺纹盖板
Screwed caps for valves for refrigerant circuits, nominal pressure 25 bar
参考页数:1P.;A4
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公称压力25巴的冷冻电路的弯管阀
Elbow valves for refrigerant circuits; nominal pressure 25 bar
参考页数:1P.;A4
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公称压力25巴的冷冻电路的直通截止阀
Through-valves for refrigerant circuits, nominal pressure 25 bar
参考页数:1P.;A4
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标称压力25以下的制冷设备接头法兰的安装尺寸
Assembling dimensions of flanges for fittings for refrigerating installations up to nominal pressure 25
参考页数:3P.;A4
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低温容器.隔热性能评定方法
Cryogenic vessels - Methods for performance evaluation of thermal isolation; German version EN 12213:1998
参考页数:11P.;A4
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机械通风冷却塔的性能试验
Performance tests of mechanical draft cooling tower
参考页数:52P;A4
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含水机加液.试验用合成水液的制备
Aqueous machining fluids. Preparation of synthetic water for testing.
参考页数:5P.;A4
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