Document Type : Original Article
Authors
1 Assoc.Prof.,Aeronautical Dept.,Military Technical College.,Cairo.
2 Prof., Dept.of Mech.Design and Prod., Eng.Faculty,Cairo Univ.
3 Assoc.Prof., Dept of Mech.Design and Prod.,Eng. Faculty, Zagazig Univ.
4 Assistant, Eng. Faculty, Zagazig Univ.
Abstract