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999 _c15363
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008 190711s9999 xx 000 0 und d
082 _a621.3198 E384
100 _aELECTRICITY COUNCIL
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245 0 _aPOWER SYSTEM PROTECTION VOL 1
250 _a3
260 _aLONDON
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300 _a23X16
942 _cBK