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Bow on a rowing boat
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Outboard motor of racing boat
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Outboard motor of racing boat
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Device for recording wing surface shape of propeller of outboard motor of racing boat
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Floating-type wave absorber
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Propeller for motorboat race made of aluminum bronze
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Boat arrival and departure pit for motorboat race in motorboat race place
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Power transmitting device
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Water hammer prevention mechanism of outboard motor for racing boat
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Wave suppressor with guard rail, which has safety net
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Improvement of outboard motor propeller for motorboat racing boat
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Auto-decompression mechanism for outboard motor for race boat
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Autodecompression mechanism of outboard motor for racing boat
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Starting device of racing boat
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Strengthened molded product
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Buoy having breakwater function
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Improved safety structure of motor boat bow
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Wave dissipating device
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Racing boat having air hole
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