BS EN 50464-4:2007+A1:2011 : Title: Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2500 kVA with highest voltage for equipment not exceeding 36 kV Requirements and tests concerning pressurised corrugated tanks Pages: 8 Year: Publisher: British Standards Institution Availability: Within 1-2 working days
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