Browse Standards
4331+ standards in database
4331 result(s) found
电子设备用三相变压器E形铁心
E-cores for three-phase transformers for use in electronic equipment
稀土钴永磁材料
Permanent magnetic material of rare earth cobalt
架空导线用软铝型线
Annealed aluminum formed wires for overhead electrical conductors
架空导线用纤维增强树脂基复合材料芯棒
Fiber reinforced polymer matrix composite core for overhead electrical conductors
起重及冶金用变频调速三相异步电动机技术条件 第2部分：YZP系列起重及冶金用变频调速三相异步电动机（轴流风机冷却）
Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 2: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications(cooled with axial fan)
交流电梯电动机通用技术条件
General specification for a.c. lift motor
自限温电热片
Self-regulating heating elements
太阳电池用多晶硅片
Multi-crystalline silicon wafer for solar cell
太阳能级铸造多晶硅块
Solar-grade casting multi-crystalline silicon brick
架空绞线用镀锌钢线
Zinc-coated steel wires for stranded conductors
排气式镉镍蓄电池用电解液
Electrolyte for vented nickel-cadmium cells
电子和通信设备用变压器和电感器 第3部分：按能力批准程序评定质量的电源变压器分规范
Transformers and inductors for use in electronic and telecommunication equipment - Part 3：Sectional specification for power transformers on the basis of the capability approval procedure
用液体萃取测定电气绝缘材料离子杂质的试验方法
Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids
微波频率应用的旋磁材料性能测量方法
Measuring methods for properties of gyromagnetic materials intended for application at microwave frequencies
爆炸危险场所防爆安全导则
Safety guide for explosion protection in explosive hazardous areas
家用和类似用途固定式电气装置的开关 第2-1部分：电子开关的特殊要求
Switches for household and similar fixed electrical installations - Part 2-1: Particular requirements - Electronic switches
家用和类似用途插头插座 第2部分：器具插座的特殊要求
Plugs and socket-outlets for household and similar purposes - Part 2: Particular requirements for socket-outlets for appliances
固体绝缘材料耐电痕化指数和相比电痕化指数的测定方法
Method for the determination of the proof and the comparative tracking indices of solid insulating materials
绝缘材料在300 MHz以上频率下介电性能测定方法 第2部分：谐振法
Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz - Part 2 : Resonance methods
绝缘材料在300 MHz以上频率下介电性能测定方法 第1部分：总则
Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz - Part 1：General