00453    a2200157   4500082001700000100001800017245006200035250001200097260004500109300001800154650002000172650003600192650003600228650001000264700002100274  a621.977bAGA  aAgarwal, R.L.  aWelding engineeringba text-book for engineering students  a4th ed.  aNai SarakbKhanna Publishersc1977g1992  ax,478p.c21cm  aApplied physics  aSoldering and welding equipment  aFastening and joining equipment  aTools  aManghnani, Tahil