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Device for raising sunken object
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Lifesaving appliance
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Device for recovering sunken object
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Ship steering gear
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Shipboard sea water intake device
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Method for testing strength and pressure-tightness of containers
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Device for collecting petroleum from surface of water basin
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Ship rudder
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Steering gear multiple-screw ship
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Method of determination of parameters of center of mass of ship
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Gas-freeing system of bulk oil-carrying ships
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Steering gear for twin-screw vessel
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Floating dock
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Floating structure stern
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Ship's ballast system
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