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Manufacturing apparatus for metallic sheet having reaction force wave effect
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Cleaner type oil recovery vessel
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Sea bottom boring placer dredger
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Capturing type tire chain
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Diving work tower responding to depth
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Coupled floating airport by balance system
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Spacecraft by anti-gravity
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Fusion reactor with rotational magnetic field
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Twin type rotary engine (peanut engine)
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Large heli-plane of parallel engine type
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Large-sized automobile of front and rear steering type
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Air compressor by elliptical rotor
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Helicopter plane having double rotor blades
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