STCW Practicals- Proficiency in Survival Craft and Rescue Boat (PSCRB) & PST Practicals Video
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- เผยแพร่เมื่อ 24 มิ.ย. 2015
- D.G. Shipping Approved Proficiency in Survival Craft and Rescue Boat (PSCRB) and Personal Survival Techniques (PST) Practicals Training Video.
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