TY  - BOOK
AU  - Khanna O.P.
TI  - Text book of  Welding technology
SN  - 0000049721
U1  - 621.997 
PY  - 2006///
CY  - New Delhi
PB  - Dhanapat Rai
KW  -  Welding
KW  - technology
KW  - Welding
ER  -