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NL8100436A
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Collector for collection of sun radiation.
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NL8000402A
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Device for warming up and keeping water stored in a heated state.
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NL7905100A
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Device for heating water in a reservoir.
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NL7901525A
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Heat insulating structure for windows - comprises decorative and heat resisting blinds held apart by mountings on roller
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NL7812510A
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Medium for storing heat and devices with such a medium.
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NL7807865A
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Solar energy collector - has rectangular metal conduits retained by steel channels in concrete
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NL7806725A
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Hot water boiler with solar panel - is enclosed by concentric sleeve divided by lengthwise partitions supplied with heating medium
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NL7805464A
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Heat insulating window screen - comprises blinds held apart and with good reflective characteristics forming oblong compartments between
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NL7803171A
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Solar heating device and heat accumulators for use therein.
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DE2745324A1
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Solar heat collector - with cavities in channels for circulating air, esp. for use as part of a house roof
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NL7702356A
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Device for using solar heat for heating a building.
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CA1095792A
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Apparatus for utilizing solar heat
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NL7608916A
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Collector.
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NL7603857A
|
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Collector for collection of radiant heat from the sun.
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NL7601677A
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Collector for collection of radiant heat.
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