nam a22 7a 4500 1069 1069 OSt 20170717100304.0 170717b xxu||||| |||| 00| 0 eng d 978-93-5147-125-7 3686 28/06/2017 17/07/17 BSDU English BSDU 621 MEC Made Easy Publications, New Delhi Handbook on Mechanical Engineering New Delhi Made Easy Publications, New Delhi 2017,c2016 507 ESE, GATE, PSUs ddc BK 0 0 ddc 0 0 BSDU BSDU GEN 2017-07-17 350.00 0 621 MEC 013932 2020-02-12 00:00:00 2017-07-17 BK