DESIGN AND FABRICATION OF a DRILL JIG FOR AN END COVER OF a LOW PRESSURE VACUUM PUMP. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) DOI: 10.31695/IJERAT, [S. l.], v. 2, n. 1, p. 232–236, 2016. Disponível em: https://ijerat.com/index.php/ijerat/article/view/275.. Acesso em: 18 may. 2024.