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IEC 61660-1:1997

Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 1: Calculation of short-circuit currents

215,00 € 

IEC 61660-2:1997

Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 2: Calculation of effects

215,00 € 

IEC 61580-2:1996

Methods of measurement for waveguides - Part 2: Level of intermodulation products

40,00 €