GB/T 7251.5-2008 Low-voltage switchgear and controlgear assemblies - Part 5:Particular requirements for assemblies for power distribution in public networks
2017GB/T 7251.5-2017 Low-voltage switchgear and controlgear assemblies—Part 5: Assemblies for power distribution in public networks
2008GB/T 7251.5-2008 Low-voltage switchgear and controlgear assemblies - Part 5:Particular requirements for assemblies for power distribution in public networks