000 | 00242nam a2200073 4500 | ||
---|---|---|---|
080 |
_a _b |
||
245 | _aIEC: 50(16)-1956; International Electrotechincal vocabulary group 16- Protective relays | ||
700 | _aInternational Electrotechnical Commission | ||
260 |
_aGeneva _bIEC _c1956 |
||
300 | _a56p | ||
999 |
_c24327 _d24327 |