STUDY OF LASER CUTTING AND MARKING ON THE FILT WITH THE HELP OF A CO2-LASER. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 3, p. 143–147, 2019. DOI: 10.17770/etr2019vol3.4202. Disponível em: https://archive-journals.rtu.lv/etr/article/view/4329.. Acesso em: 11 mar. 2026.