C E R T I F I C I R A N I T R E N E R I / P R E D A V A Č I
Instalacije gasa
Petrović Semin,
(CV, certifikat)
Škufca Hajdina,
(CV, certifikat)
Jakupović Faruk,
(CV, certifikat)
Šećibović Midhat,
(CV, certifikat)
Brkić Ela,
(CV, certifikat)
Distribucija gasa
Petrović Semin,
(CV, certifikat)
Transport gasa
Petrović Semin,
(CV, certifikat)