IEEE C37.20:1969 (R1981)被替代
Switch Gear Assemblies And Metal-enclosed Bus
出版：Institute of Electrical and Electronics Engineers
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基本信息
標準編號： IEEE C37.20:1969 (R1981)
標準類別：Standard
出版單位：Institute of Electrical and Electronics Engineers
標準頁數：0
標準簡介
Describes assemblies of switchgear devices such as interrupting devices, switches, control, instrumentation and metering, protective and regulating equipment, enclosed bus with associated interconnections, enclosures, and supporting structures.
