TY  - BOOK
AU  - Agarwal, D.D .
AU  - Bhavsar,V.C  .
AU  - Mittal,N.K  .
TI  - Machine drawing / 
SN  - 0-7069-2110-0
U1  - 621.8152 
PY  - 1982///
CY  - New Delhi : 
PB  - Vikas publishing house pvt ltd , 
ER  -