GB387986A
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Improvements in propeller current directing fins for ships
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GB396275A
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Improvements in the sterns of screw-propelled ships
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DE523427C
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Method for dismantling a pontoon dock with uninterrupted side boxes
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DE494060C
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Floating dock with floor box and side boxes
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DE477545C
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Floating dock for seaplanes
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DE525049C
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Floating dock for seaplanes
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DE484068C
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Procedure and dock for docking aircraft
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US1710585A
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Hinged gate for the testing cylinders of submarines
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US1632491A
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Floating dry dock
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US1663346A
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Testing dock for submarines
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GB262041A
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A hinged gate for chambers for testing submarine boats or for other water channels
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GB252148A
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A testing dock for submarines
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GB252147A
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An improved floating dry dock
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DE518072C
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Device for drying off swimming bodies
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DE477544C
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Device for drying off hulls, in particular seaplanes
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