000 00358nam a2200073 4500
080 _a
_b
245 _aIEC: 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
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1981
300 _a2p
999 _c30027
_d30027