Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above

NEPLATNÁ vydána dne 28.7.1997

Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above

NEPLATNÁ vydána dne 19.9.2008

The capacitor banks switching tests for A.C.high-voltage circuit-breaker

NEPLATNÁ vydána dne 16.4.1987

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NEPLATNÁ vydána dne 1.1.1987

Direct acting indicating analogue electrical measuring instruments and their accessories Part 1:Definitions and general requirements common to all parts

NEPLATNÁ vydána dne 28.7.1998

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NEPLATNÁ vydána dne 1.1.1987

Direct acting indicating analogue electrical measuring instruments and their accessories Part 2:Special requirements for ammeters and voltmeters

NEPLATNÁ vydána dne 28.7.1998

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NEPLATNÁ vydána dne 1.1.1987

Direct acting indicating analogue electrical measuring instruments and their accessories Part 3:Special requirements for wattmeters and varmeters

NEPLATNÁ vydána dne 28.7.1998

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NEPLATNÁ vydána dne 1.1.1987