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E VDE-AR-N 4143-2 Anwendungsregel:2023-09

Security of electricity supply

Part 2: Risk management of grid operators

20.65 € 
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Anwendungsregel:

VDE-AR-N 4143-1 Anwendungsregel:2022-03

Security of electricity supply

Part 1: Crisis management of grid operators

67.36 € 
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