IEC: 466 - 1987; A.C. insulation-enclosed switchgear and controlgear for rated voltages above 1kV and upto and including 38kV
IEC: 466 - 1987; A.C. insulation-enclosed switchgear and controlgear for rated voltages above 1kV and upto and including 38kV
- Geneva IEC 1987
- 93p
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