00896nam 2200313 450 99627987030331620231206173955.00-7381-4209-3(CKB)3780000000089187(NjHacI)993780000000089187(EXLCZ)99378000000008918720231206d1987 uy 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierANSI/IEEE Std 446-1987 /Institute of Electrical and Electronics Engineers[Place of publication not identified] :IEEE,1987.1 online resource (321 pages)Emergency power supplyEmergency power supply.621.3192NjHacINjHaclDOCUMENT996279870303316ANSI2072434UNISA