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BS 142-4-4.2:1984
Electrical protection relays. Requirements for multi-input energizing quantity relays, Specification for directional relays and power relays
12 стр.
Отменен
Печатное изданиеПечатная копия
275.18 £ (включая НДС 20%)
Разработчик:
Зарубежные/BSI
ICS:
29.120.70 Relays / Реле
Ключевые слова:
Electrical testing|Relays|Measuring relays|Protective relays|Electrical protection equipment|Power measurement (electric)|Phase measurement (electric)|Tolerances (measurement)