00423nam a2200133Ia 4500008004100000041000800041082001700049100001700066245004900083260002600132300000900158952010700167999001500274211209s9999    xx            000 0 und d  aeng  a621.31 N KNO  aKNOWLTON A E  aSTANDARD HANDBOOK OF ELECTRICAL ENGINEERING   aNEW YORKbMCGRAW-HILL  a2230  00104070aRITbRITcMAIN REFd2021-12-31l0o621.31 N KNOp4368r2024-12-10 00:00:00w2021-12-31yBK  c4368d4368