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)

Industrijska primjena gasa

Petović Semin,
(CV, certifikat)

Stević Milan,
(CV, certifikat)