00413    a2200121   4500020001800000100002100018245007400039250000800113260004700121942000700168952009700175999001900272  a9789386173119  aOm Prakash Gupta  aKhanna's multichoice questions & answers in metallurgical engineering  a3rd  bKhanna book publishing co. pvt. ltd.c2023  cOO  00104070aULbULd2026-03-17e146g359.20l0p00098063r2026-03-17v449.00w2026-03-17yOO  c115989d115988