低压成套开关设备和电控设备基本试验方法
Basie testing method for low-voltage switchgear and controlgear assemblies
Basie testing method for low-voltage switchgear and controlgear assemblies
Tap-changers-Part 2:Application guide
Technical parameters and requirements for dry-type power transformers
Design guide of the outline and structure for the electric control equipment
Basic specifications for electroheat installations Part 8 : Electroslag remelting furnaces
Basic specifications for electroheating and electromagnetie processing installationsnPart 6 : Industrial microwave heating installations
Basic specifications for electroheat installations high frequency dielectric heating installations
Basie specifications for electroheat installations Part 47:Vacuum heat treatment and brazing furnace
Basie specifications for electroheat installations Part 4:Indireet resistance furnaces
Basic specifications for electroheat installations Part 44:Box-type resistance furnaces