Document Type : Original Article
Authors
1 Professor, Mechanical design dpt., Faculty of Engineering-Mataria, Helwan University, Cairo.
2 Associate Professor, Mechanical design dpt., Faculty of Engineering-Mataria, Helwan University, Cairo.
3 Assistant Professor, Mechanical design dpt., Faculty of Engineering-Mataria, Helwan University, Cairo.
4 Assistant Lecturer Mechanical design dpt., Faculty of Engineering-Mataria, Helwan University, Cairo.
Abstract
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