00452nam a22001457a 4500020001500000082001900015100006200034245006700096250000700163300000800170440000600178942000700184999001300191952010200204  a8185099146  a621.75bCHO/EL  a  S K Hajra Chowdhury aA K Hajra Chowdhury aNirjhar Roy  aElements of Workshop Technology Vol: 1 Manufacturing Processes  a15  a670  v1  cBK  c125d125  00104070aCDSTbCDSTd2019-03-27l0o621.75 CHO/ELpCDT126r2025-01-30 00:00:00w2025-01-30yBK