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Antenna mounted on artificial satellite
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Takeoff-landing device of drone, and disaster occurrence forecast system
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Disaster prevention observation information distribution pico hydraulic power generating system
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Pelton-type pico hydroelectric power generation, hydro-power outdoor light and road surface outdoor light device
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Portable-type hydro-power outdoor light
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Underwater radiation measuring device and radiation observing system
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Antifreezing method for road surface, and road surface sensor
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Road surface sensor and road surface monitoring control method
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Three-dimensional coordinate value reader
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Drawing device for multi-dimensional graphic form
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Multidimensional pattern drafting device
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Freezing refrigerating device
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Cooler in freezing refrigerating device
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Freezing refrigerating warehouse in which rising partition wall is mounted
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Middle door for refrigerator
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Heatinggtype drop tube for making ice
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Device for counting a number of opening and shutting of an automatic d oor for putting light on and of in a warehouse
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