فهرس المقالات Power transformers’ formed insulating part حرية الوصول المقاله صفحة الملخص نص كامل 1 - Aging Study of Transformer Oil-Impregnated Repulped and Standard Cellulose by Measuring of 2-furfural Content of the Oil Ali Ramazani Rana Rahmati Solmaz Bigdeli Sohrab Rahmani Mehrdad Hamidi