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JPS6037306A
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Gap reducing mechanism of platform and train
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JPS59199963A
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Snow falling mechanism in roof
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JPS59180157A
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Magnetic force coupling transmission
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JPS5944401A
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Railroad rail
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JPS57171145A
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Automatic speed changer
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JPS58155871A
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Extremely fine adjustment mechanism of friction force of falling rope
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JPS58152693A
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Device for eliminating wave-making resistance from ship
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JPS58106065A
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Crusher
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JPS57192526A
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Insertion aid tool of endoscoper
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JPS57193673A
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Refuge capsule when earthquake and fire happen
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JPS57105542A
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Output increasing device for jet engine
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JPS5450744A
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Power generator
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JPS52149792A
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Ballast tank for vessels
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JPS52149794A
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Fixing method of boat at sea
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JPS5213959A
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Device for maintaining temperature of hot water in bath
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JPS5213953A
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Vehicle chair
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JPS5213948A
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Needle for sewing machine
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JPS5229094A
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Ship steering mechanism
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