Engineering Drawing :   for Preparatory Year / 
Prepared by A Group of Staff Members of Mechanical Design Department, Helwan University. 
 - Helwan, Egypt :  Helwan University, Faculty of Engineering, Mechanical Design Dept. Mataria,   2017-2015. 
 - Various pages :  ill. ;   28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering Drawing--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>620.00715  / H E E