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DE4024216A1
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RADIATION SHIELD
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EVAPORATION DEVICE AND SYSTEM WITH SUCH EXPANSION MEANS FOR desalting seawater.
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AU1602083A
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Einrichtung zum automastischen richten von durch einen reflektor konzentrierte sonnenstrahlung
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Container for liq. evaporation - with upward blind holes in vertical bars for bubble formation
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Reflector for concentrating solar energy on a stationary absorber
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CH657443A5
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Device for automatically adjusting sun radiation concentrated by a reflector.
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System for desalinating sea water
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Method of producing a solar cell
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Device for collecting and concentrating solar energy on a tube for conducting a heat carrier
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