فهرس المقالات Polyamide (PA) حرية الوصول المقاله صفحة الملخص نص كامل 1 - The Effect of Power, Maximum Cutting Speed and Specific Point Energy on the Material Removal Rate and Cutting Volume Efficiency in CO2 Laser Cutting of Polyamide Sheets Majid Hashemzadeh Reza Poorshaban