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JPS5873571A
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Preserving vessel for stock feed which can easily be assembled and overhauled
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JPS57179534A
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Storage type solar energy water heater utilizing sufficient natural circulation
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JPS57126569A
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Device for obtaining compressed air for generation of electricity from wave power
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JPS57124693A
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Heat exchange pipe unit
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JPS57104109A
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Sunlight condensing apparatus having reflecting material reflecting sunlight inside inverse cone shape and condenser lens
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JPS57101256A
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Apparatus for generating high pressure steam for power generation utilizing collected sunlight
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JPS5796313A
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Device for mixing light beams emitted by mutual sunlight and electric power or the like
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JPS5793302A
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Pipe conducting solar ray by irregular reflection
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JPS5784424A
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Device for branching and transferring sunlight focused by use of photoelectric lighting glass fiber, to many directions
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JPS5749074A
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Apparatus for rroducing electricity generating power from low-speed water flow
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JPS5712897A
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Automatic cycling methane gas-collecting apparatus
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JPS52131885A
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Round manyystory swine barn
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