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System for reducing thermal barrier of hypersonic aero vehicle
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Design for avoiding high-speed aircraft thermal barrier
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Aerocar
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Propulsion enhancement arrangement for rocket
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Automatic open-close air sac for reducing rocking on both sides of ship bilge
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Book type computer reader
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Ever-distance dynamic frame tye two-layer ornithopter aircraft
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Couple distance moving arc type feathering aricraft
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Motorcycle with flapping-wing
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Hydraulic curved shutter propeller module for ship
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Marine hydraulic bent-hinge propulsion module
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Rocket propulsion enhancing design
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Propelling increasing rocket pipe
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Artiallary shell able to be propelled to very high and long range
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Noise-less water-pressing and water-spraying propeller for submarine
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Automatic regulator of spraying water from bilges for weakening transverse swinging
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Buoyancy ship with super-specific gravity
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