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工业过程控制阀 第8-2部分:噪声的考虑 实验室内测量液动流流经控制阀产生的噪声
Industrial-process control valves--Part 8-2:Noise considerations--Laboratory of noise generated hydrodymamic flow through control valves
价格：￥0.00
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工业过程控制阀 第6-2部分:定位器与控制阀执行机构连接的安装细节定位器在角行程执行机构上的安装
Industrial-process control valves.Part 6-2: Mounting details for attachment of positioners to control valves.Positioner mounting on linear actuators
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电站阀门型号编制方法
Methods for model compositing of power station valves
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燃气管道用铜制球阀和截止阀
Copper ball valves and globe valves for gas pipeline engineering
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PN2500超高压阀门和管件 第9部分:接头螺母
PN 2500 ultrahigh pressure valves and fittings — Part 9：Joints nuts
价格：￥0.00
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