00642nam a2200193Ia 4500 CTU_176510 210402s9999 xx 000 0 und d 29500 621.82 H513/T.1 Nguyễn, Trọng Hùng Chi tiết cơ cấu chính xác Nguyễn Trọng Hùng Hà Nội Bách khoa Hà Nội 2006 Machine design,Machine parts,Mechanical engineering,Thiết kế chi tiết máy,Kỹ thuật cơ khí Nguyên Trung tâm Học liệu Trường Đại học Cần Thơ