TY  - GEN
AU  - Gupta, R.C.
TI  - Welding engineering science & metallurgy
U1  - 621.977 
PY  - 1985///
CY  - New Delhi
PB  - S. Chand
KW  - Applied physics
KW  - Soldering and welding equipment
KW  - Fastening and joining equipment
KW  - Tools
ER  -