UL 61010-2-201 (ND)-2018 UL 61010-2-201 测量 控制和实验室用电气设备安全要求的国家差异 第 2-201 部分:控制设备的特殊要求(第二版)
National Differences For UL 61010-2-201 Safety Requirements for Electrical Equipment for Measurement@ Control@ and Laboratory Use – Part 2-201: Particular Requirements for Control Equipment (Second Edition)