00277nam a2200133Ia 4500 Seifert W BK Generators motors Generators motors Wiley eastern New Delhi 1989 92 ENGLISH 20660 20660 0 0 0 0 CRC CRCE CRCE 2023-03-17 wiley 25.00 24067 dt 17.11.92 0 4009 2023-03-17 25.00 1992-11-17 BK