JPS59209742A
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Transfer unit
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JPS58199282A
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Waterline controller for floating body
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JPS58191685A
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Adjusting device of draft of floating body
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JPS58117112A
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Lapping of floating breakwaters
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JPS57184107A
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Floating breakwater dam
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JPS57178014A
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Floating wave dissipating bank
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JPS57178013A
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Floating wave dissipating bank
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JPS57169117A
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Floating breakwater
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JPS56100911A
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Floating wave dissipater
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JPS5689609A
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Wave dissipation float composed of longitudinal plate and transverse plate
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JPS5681703A
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Wave dissipation floating body utilizing air pressure
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JPS5622808A
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Floating board type wave dissipating jetty
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