TY  - BOOK
AU  - O P Khanna
TI  - Text book of welding technology,Reved
SN  - 0000098291
U1  - 621.997 
PY  - 1999///
CY  - New Delhi
PB  - Dhanpat
KW  -  welding
KW  - technology,Reved
KW  - Welding
ER  -