Natchanun Angsuseranee และผู้แต่งคนอื่นๆ. (2020) Marking Lines Mechanism and Problem Solving in the Sheet Metal Bending Process. <i>RMUTL Engineering Journal</i>, <i>5</i>(2), 18-Oct.Natchanun Angsuseranee และผู้แต่งคนอื่นๆ. "Marking Lines Mechanism and Problem Solving in the Sheet Metal Bending Process". RMUTL Engineering Journal 5 (2020):18-Oct.Natchanun Angsuseranee และผู้แต่งคนอื่นๆ. Marking Lines Mechanism and Problem Solving in the Sheet Metal Bending Process. Rajamangala University of Technology Lanna:ม.ป.ท. 2020.