000 00242nam a2200073 4500
080 _a
_b
245 _aIEC: 255 - 6 - 1988; Electrical relays Part 6 Measuring relays and protection equipment
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1988
300 _a37p
999 _c35465
_d35465