00741 a2200145 4500 Nust 20230119181401.0 Nust 669,TRA Transactions vaccum metallurgy conference 1969 / D T Bourgette (Editor) New York American Vacuum Socity 650:p Behavior Metallic Materials in Vacuum Environments (Page-1), Space Simulation Techniques and Related Studies (Page-113), Materials Processing in Vacuum or Controlled Environment (Page-201), Vacuum Investment Shape Casting (Page-253), Consumable Electrode Melting Processes (Page-349), Vacuum Induction Melting and Vacuum Degassing (Page-431), New Processes for Vacuum Steel Making (Page-545). ddc BK 184609 184609 0 0 ddc 0 0 MCS MCS GEN 2016-12-12 669,TRA MCS21586 2016-12-08 2016-12-12 BK Almirah No.55, Shelf No.4