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JPS58191897A
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Continuous lifting apparatus of ore from deep sea bottom
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JPS58168794A
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Apparatus for recirculating bucket and rope scooping up deep sea bottom mineral
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JPS5681263A
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Resonant generator using wave motion of sea water
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JPS5652581A
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Moving gate type sea wave power plant
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JPS5629070A
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Up-and-down resonant water-power generator by ocean wave
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JPS55128675A
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Automatic wind pressure control windmill for wind power generation
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JPS5569769A
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Wave-force power generator
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JPS5566670A
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Wind-vane power generator
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JPS5566669A
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Wind power generator
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JPS5549654A
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Hot air producer by solar heat
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JPS5543266A
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Power generator utilizing thermal difference between solar heat and cool water
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JPS5533569A
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Solar heat high temperature steam generator
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JPS555630A
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Cleaning instrument with magnet
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JPS54159748A
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Solar heat utilizing highhtemperature water and steam generator
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JPS54133240A
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Power plant harnessing vertical motion of sea
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JPS54121342A
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Power generator harnessing sea water wave force
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JPS5467501A
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Continuous sampling and lifting apparatus of ore of sea bottom
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JPS5461001A
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Continuously sampling apparatus of ore of sea bottom
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JPS53137801A
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Continuous lifting device of large quantity of abyss bottom ore
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JPS53110174A
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Magnetized filter means
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