00456nam a22001937a 4500 1467 1467 OSt 20180707092908.0 180707b ||||| |||| 00| 0 eng d 0-07-451550-0 Prof. S. K. Jhajharia BSDU English BSDU 621.314 BHE BHEL Transformers New Delhi Tata McGraw-Hill 1987 460 Electronics ddc BK 0 0 ddc 0 0 BSDU BSDU GEN 2018-07-07 0.00 2 621.314 BHE DB0076 2020-02-12 00:00:00 2019-08-01 0.00 2018-07-07 BK