GB/T 4022.1-2021卧轴矩台平面磨床 精度检验 第1部分:工作台面长度至1600mm的机床Surface grinding machines with horizontal grinding wheel spindle and reciprocating table. Testing of the accuracy. Part1:Machines with table surface length of up to 1600 mm
GB 19510.14-2009灯的控制装置 第14部分:LED模块用直流或交流电子控制装置的特殊要求Lamp controlgear—Part 14:Particular requirements for d.c.or a.c.supplied electroniccontrolgear for LED modules