000 00247nam a2200073 4500
080 _a
_b
245 _aIEC: 50(446) - 1983; International Electrotechnical Vocabulary Chapter 446 Electrical Relays
100 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1983
300 _a53p
999 _c35900
_d35900