TY  - BOOK
ED  - 
TI  - Engineering Drawing : : for Preparatory Year 
U1  - 620.00715 22
PY  - 2017///-2015
CY  - Helwan, Egypt
PB  - Helwan University, Faculty of Engineering, Mechanical Design Dept. Mataria, 
KW  - Engineering Drawing
KW  - Study and teaching
ER  -