00298nam a2200133Ia 4500003000400000005001700004008004100021020001500062040001000077100001700087245003900104260001200143260000900155OSt20240103114654.0170524s9999    xx            000 0 und d  a8174090282  ciimtu  aParmar- R.S. 0aWelding Engineering and Technology  bKhanana  c2011