IEC 60152:1963 pdf download,Identification by hour numbers of the phase conductors of 3-phase electric systems. 三相电系统的相导线按小时数进行识别 1.ob
IEC 60144:1963 pdf download,Degrees of protection of enclosures for low-voltage switchgear and controlgear 低压开关设备和控制设备外壳的防护等级 1.Scope This recomm...
IEC 60100:1962 pdf download,Methods for the measurement of direct interelectrode capacitances of electronic tubes and valves. 电子管和电子阀直接电极间电容的测量方法...
IEC 60096-2:1961 pdf download,Radio-frequency cables - Part 2: Relevant cable specifications. 射频电缆 第2部分：相关电缆规范...
IEC 60134:1961 pdf download,Rating systems for electronic tubes and valves and analogous semiconductor devices. 电子管和电子管以及类似的半导体器件的评级系统。...
IEC 60135:1961 pdf download,Numbering of electrodes and designation of units in electronic tubes and valves. 电子管和阀门中电极的编号和单位名称 1.Scope and ob
IEC 60121:1960pdf download,Recommendation for commercial annealed aluminium electrical conductor wire.工业用电工退火铝导线的建议 1.Scope This recommendation applies to ...
IEC 62501:2024 pdf download,Voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) power transmission - Electrical testing. 直流输电用的电压源换流器...
