00653nac a22001691u 4500 8185749159 621.31 G9775 953 953 Gupta, J.B. Theory and performance of electrical machines : In S.I. units for degree and diploma students / by J.B. Gupta. Singapore : SSMB Pub., 1997. viii, 416p.: 24cm Includes index. Electric machinery. BB 621.31G9775 953 953 0 0 ddc 0 0 MAIN MAIN 1ST 2013-08-06 purchase 110.00 8 40 621.31 GUP 000003567 2025-07-15 00:00:00 2018-12-02 137.50 BB