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IEC 60387:1972 ed1.0

Заменен
Symbols for alternating-current electricity meters — 10 стр.
Applies to letter and graphical symbols for a.c. electricity meters and their auxiliary devices, independent of induction or static measurement elements. All the symbols included in this standard may be marked on the name-plate, dial plate, external labels or accessories of the meter.
ICS
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.