000 00248nam a2200073 4500
080 _a
_b
245 _aIEC: 50 (446) - 1983; International Electrotechnical vocabulary Chapter 446 electrical relays
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1983
300 _a54p
999 _c35699
_d35699