00474nam a2200169Ia 4500 CTU_35674 210402s9999 xx 000 0 und d 621.31 S666/T3 A V Ivanov Smolenski Máy điện; T3 A V Ivanov Smolenski, Vũ Gia Hanh, Phan Tử Thụ Hà Nội KHKT 1993 electricity Trung tâm Học liệu Trường Đại học Cần Thơ