00278nam a2200121Ia 4500003000400000005001700004008004100021020001500062040001000077100001500087245002600102260002800128OSt20231108071007.0170523s9999    xx            000 0 und d  a8174090991  ciimtu  aJain- R.K. 0aProduction Technology  aNew Delhi : Khanna Pub.