IEC: 56 - 6 - 1971 (Amendment No.2 - 1981); High-voltage alternating-Current circuit-breakers 6 Information to be given with enquiries, tenders and orders and rules for transport, erection and maintenance
IEC: 56 - 6 - 1971 (Amendment No.2 - 1981); High-voltage alternating-Current circuit-breakers 6 Information to be given with enquiries, tenders and orders and rules for transport, erection and maintenance
- Geneva IEC 1981
- 2p
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