TY  - BOOK
AU  - Hajra Choudhry, S K .
AU  - Hajra Choudhry,A K  .
TI  - Elements of workshop technology / 
U1  - 621.9 
PY  - 1997///
CY  -  : 
PB  - Media promoters and publishers pvt ltd , 
N1  - 18241 Scheme
ER  -