D49A - High Voltage - Operational level (with simulator) STCW A-III/1, A-III/6

D49A - High Voltage - Operational level (with simulator) STCW A-III/1, A-III/6

19. svibnja 2022.

D49A - High Voltage - Operational level (with simulator) STCW A-III/1, A-III/6

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