BS-5486 (part 1) - 1986/IEC 439-1 - 1985; Low-voltage switchgear and controlgear assemblies part 1 Specification for type-tested and partially type-tested assemblies (general requirements)
BS-5486 (part 1) - 1986/IEC 439-1 - 1985; Low-voltage switchgear and controlgear assemblies part 1 Specification for type-tested and partially type-tested assemblies (general requirements)
- London BSI 1986
- 64p
/
/