000 00449 a2200169 4500
082 _a621.977
_bGUP
090 _c21474
_d33341
100 _aGupta, R.C.
245 _aWelding engineering science & metallurgy
260 _aNew Delhi
_bS. Chand
_c1985
_g1985
300 _a[viii],112p.
_c21cm
650 _aApplied physics
650 _aSoldering and welding equipment
650 _aFastening and joining equipment
650 _aTools
942 _cL
999 _c48957
_d48957