309 | Common hydraulic oil system for hatches/ports |
37 | Gas/ventilation systems for cargo holds/tanks |
43 | Anchoring, mooring, towing equipment |
442 | Tools/equip. for engineers, electr., boatswains, carpenters |
57 | Ventilation, air-conditioning, heating systems |
6 | Machinery main components |
601 | Diesel engines |
646 | Exhaust gas boilers |
651 | Motor aggregates |
7 | Systems for machinery main components |
70 | Fuel systems |
73 | Compressed air systems |
743 | Exhaust gas systems for propulsion machinery |
744 | Exhaust gas systems for motor aggregates |
745 | Exhaust gas systems for boilers |