فهرس المقالات sajjad pakzad المقاله 1 - Vibration Analysis of 2-PR(Pa)U- 2-PR(Pa)R New Parallel Mechanism Mehran Mahboubkhah Sajjad Pakzad Morteza Homayoun Sadeghi Mir Mohammad Ettefagh International Journal of Advanced Design and Manufacturing Technology , العدد 43 , السنة 11 , بهار 2024 المقاله 2 - Workspace Analysis of 2-PR(Pa)U- 2-PR(Pa)R New Parallel Mechanism Mehran Mahboubkhah Sajjad Pakzad International Journal of Advanced Design and Manufacturing Technology , العدد 5 , السنة 10 , پاییز 2017