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GB/T 17213.2-2017
工业过程控制阀 第2-1部分:流通能力 安装条件下流体流量的计算公式
Industrial-process control valves—Part 2-1: Flow capacity—Sizing equations for fluid flow under installed conditions
GB/T 20999-2017
Data communication protocol between traffic signal controller and control center
GB/T 35742-2017
Public security—Finger vein recognition applications—Technical requirements for images
GB/T 35109-2017
Static test method of nitrogen and oxygen separation for molecular sieves
GB/T 35197-2017
Earth-moving machinery—Non-road electrical drive mining dumpers—Test methods





