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JPS62164006A
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Device for transmission and release of light
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JPS623204A
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Transmission and radiation device for light
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JPS59142383A
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Thermal joint
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JPS59131883A
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Heat transmission device
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JPS59125358A
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Atmospheric heat utilizing device
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JPS59119185A
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Heat transporting apparatus
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JPS58174917A
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Solar light condenser
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JPS5981610A
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Sun tracking method
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JPS5924043A
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Metal fittings for wood building
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JPS58146689A
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Solar energy utilizing apparatus
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JPS57115501A
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Mirror plane with composite fresnel concave and convex pillar
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JPS5843401A
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Fresnel light condensing plate body
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JPS587084A
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Light transmitting blind
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JPS57207202A
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Fresnel condensing strctural body
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JPS57207201A
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Fresnel condensing plate-like body
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JPS57151901A
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Fresnel condenser
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JPS57144502A
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Composite fresnel condenser
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JPS5752762A
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Solar energy collecting device
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JPS5720711A
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Sun tracking type condenser
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JPS572956A
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Solar energy collecting plate
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