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JPS57131873A
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Liquid energy converting mechanism
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JPS5738131A
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Flexible hollow structure
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JPS56151549A
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Hollow structure
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JPS56153048A
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Hollow structural body
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JPS5696167A
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Water-flow electric power generating mechanism
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JPS5691155A
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Mechanism for solar energy utilization and control for building
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JPS5683635A
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Coupling cable with node-shaped body
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JPS5672269A
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Power generating mechanism utilizing sea-wave motion
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JPS5646032A
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Earthquake-proof device for building and structure
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JPS5639994A
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Water-surface travelling body having movable legs
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JPS5639995A
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Water-surface travelling body having movable legs
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JPS55119598A
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Buoyant mechanism
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JPS55106169A
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Cutaneous stimulating treatment appliance which utilize piezoelectricity
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JPS54101524A
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Hollow block laminated at high temperature
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JPS5496237A
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Entrance device opening upon pressing
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JPS5496236A
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Device for opening and closing sliding door
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JPS5435321A
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Dccac converter
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JPS5375662A
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Stable support apparatus for air crafts
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JPS5375618A
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Stabilizing and supporting apparatus of driving machine
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JPS5375622A
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Running machine on snow or water
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