00401nam a2200145 4500 20260420094508.0 260420b |||||||| |||| 00| 0 eng d 978-93-5014-415-2 Gupta J.B A Course in Electrical Technology /J.B. Gupta 14th ed New Delhi, India; S.K. kataria & Sons; 2016 xxvi,ill; 29cm lcc 0 BK 226 226