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4331+ standards in database
4331 result(s) found
铜铬铁电触头技术条件
Specification for CuCrFe electric contact material
评估部分型式试验成套设备（PTTA）短路耐受强度的一种方法
A method for assessing the short-circuit withstand strength of partially type-tested assemblies (PTTA)
热双金属平螺旋形元件机械转矩率试验方法
Test method for mechanical torque rate of spiral coils of thermostat metal
电触头材料电性能试验方法
Test method for electrical properties of electrical contact materials
永磁材料磁性能温度系数测量方法
Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials
银氧化锡电触头材料化学分析方法
Test methods for chemical analysis of silver-tin oxide electric contact material
整体石墨电极弹性模量试验 声速法
Test method for the elastis modulus of whole graphite electrodes - Velocity of sound
高炉炭块抗铁水熔蚀性试验方法
Test method for corrosion resistance of blast furnace brick to pig iron
毛细管超高压汞灯
Capillary ultra-high-pressure mercury vapor lamps
交流伺服系统通用技术条件
General specification for AC servo system
电子类家用电器用电动机通用技术条件
General specification for miniature motors electronic household appliances
微电机用齿轮减速器通用技术条件
General specification for reduction gearhead of electrical micro-machine
红外线灯泡
Infrared lamps
轨道交通 电磁兼容 第5部分：地面供电装置和设备的发射与抗扰度
Railway applications - Electromagnetic compatibility - Part 5: Emission and immunity of fixed power supply installations and apparatus
轨道交通 电磁兼容 第4部分：信号和通信设备的发射与抗扰度
Railway applications - Electromagnetic compatibility - Part 4: Emission and immunity of the signalling and telecommunications apparatus
轨道交通 电磁兼容 第3-1部分：机车车辆 列车和整车
Railway applications - Electromagnetic compatibility - Part 3-1: Rolling stock - Train and complete vehicle
烧结软磁材料技术条件
Standard specifications for sintered soft magnetic materials
灯座的型式和尺寸 第3部分：预聚焦式灯座
Types and dimensions of lampholders - Part 3: Prefocus lampholders
灯头、灯座检验量规 第4部分：杂类灯头、灯座的量规
Gauges for lamp caps and lampholders - Part 4: Gauges for miscellaneous caps and lampholders
家用和类似用途器具耦合器 第2部分：家用和类似设备用互连耦合器
Appliance couplers for household and similar general purposes - Part 2: Interconnection couplers for household and similar equipment