TY  - BOOK
AU  - Dhawan, R.K.
TI  - A Textbook of Engineering Drawing: In First Angle Projection
SN  - 8121914310
AV  - T353 .D42
PY  - 2011///
CY  - New Delhi
PB  - S. Chand
KW  -  Machinery Drawings - Mechanical Drawing
ER  -