TY  - BOOK
AU  - Directorate general of employment and training, ministry of labour, govt. of India
TI  - Welder assginment/test
SN  - 8122407374
U1  - 671.52 
PY  - 1995///
CY  - New Delhi
PB  - ; New Age International
KW  - Welding
KW  - Welding Engineering
ER  -