TY  - BOOK
AU  - Singh, Sadhu 
TI  - Computer Aided Design
SN  - 9789350141960
U1  - 621.3 23
PY  - 2021///
CY  - New Delhi : 
PB  - S.K. Kataria & Sons
KW  - CAD System Software
N1  - Includes : Index
ER  -