DIN EN ISO 80601-2-74-2022 实施日期:2022-02-01 现 行 英文名:Medical electrical equipment - Part 2-74: Particular requirements for basic safety and essential performance of respiratory humidifying equip
AS 2369.2-1993 实施日期: 现 行 中文名:游泳池加热用太阳能收集器材料 第2部分:可变形或可塑性聚氯乙烯 英文名:Materials for solar collectors for swimming pool heating - Flexible or plasticized polyvinyl chloride