TY  - BOOK
AU  - Gill, P. S
TI  - A Textbook of Machine Drawing
SN  - 9789350144169
U1  - 621.815 
PY  - 2021///
CY  - New Delhi
PB  - S. K Kataria & Sons
KW  - Principles of mechanism 
KW  - Technology 
ER  -