Semiconductor discrete device . detail specification for gaas high - speed switching assembly for type ek20 半导体分立器件. ek20型砷化镓高速开关组件详细规范
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Conformance test procedures for indoor alternating current high - voltage circuit breakers applied as removable elements in metal - enclosed switchgear assemblies 金属封装开关组件中作为可拆除元件的室内交流高压断路器的一致性试验程序