![]() Refractory products—Determination by inductively coupled plasma atomic emission spectrometry(ICP-AES) 耐火材料 电感耦合等离子体原子发射光谱(ICP-AES)分析方法 |
![]() Series capacitors for power systems—Part 2: protective equipment for series capacitor banks 电力系统用串联电容器 第2部分:串联电容器组用保护设备 |
![]() Low-voltage switchgear and controlgear—Part 5-3: Control circuit devices and switching elements—Requirements for proximity devices with defined behaviour under fault conditions (PDDB) 低压开关设备和控制设备 第5-3部分:控制电路电器和开关元件 在故障条件下具有确定功能的接近开关(PDDB)的要求 |
![]() Electromagnetic compatibility—Installation and mitigation guidelines-HEMP protection concepts 电磁兼容 安装和减缓导则 高空核电磁脉冲(HEMP)的防护概念 |
![]() Rubber and plastics hoses and hose assemblies—Ratios of proof and burst pressure to maximum working pressure 橡胶和塑料软管及软管组合件 验证压力、爆破压力与最大工作压力的比率 |
![]() Technical specification of NFC security—Part 1: NFCIP-1 security services and protocol 近场通信(NFC)安全技术要求 第1部分:NFCIP-1安全服务和协议 |
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