Links:
[1] https://saludnl.gob.mx/drupal/sites/default/files/u249/INV%20001%20SERV%20MTO%20CED.docx
[2] https://saludnl.gob.mx/drupal/sites/default/files/u249/SERV%20DE%20MANT%20CED%20INV001%20JA.pdf
[3] https://saludnl.gob.mx/drupal/sites/default/files/u249/SERV%20DE%20MANT%20CED%20INV001%20EP%20AT.pdf
[4] https://saludnl.gob.mx/drupal/sites/default/files/u249/SERV%20DE%20MANT%20CED%20INV001%20FT.pdf
[5] https://saludnl.gob.mx/drupal/sites/default/files/u249/SERV%20DE%20MANT%20CED%20INV001%20AE.pdf
[6] https://saludnl.gob.mx/drupal/sites/default/files/u249/SERV%20DE%20MANT%20CED%20INV001%20FE.pdf