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DE2910826A1
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Solar heat absorption panel on roof - comprises pan-shaped plate with foam material behind and pipe bends for fluid supply and discharge
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DE2841975A1
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Air conditioned working area - uses heat pump to warm surfaces integral with building structural members or fittings
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DE2832779A1
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Rotary radial seal strip compressor - has eccentric rotor in cylindrical housing with inlet and outlet ports in end covers only
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DE2810866A1
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Solar heat collector frame - with one-way lip seals for air between cover and absorber
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District heating system - has central solar collectors supplying storage and consumer units via latent heat system
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Solar heat collector overheat preventing system - uses bimetal strip to open space between cover and body
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Hydrostatic sea water heat storage - has buoyancy force compensating sand ballast with warm water storage hoses
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Concrete mounted room heating plate - has foam embedded coil carrying looped securing strips covered by reinforced layer
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Heat radiating wall covering - has non-flammable foil, reflecting foil, thin heating units and decorative face
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Remote heating system using existing sewage pipes - uses small dia. plastics tubing supported along top of pipe bore by clips
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WARMHOUSE WITH COLD AIR CONTROL CIRCUIT
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DE2643358A1
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Solar energy collector - fixed between rafters of a glass, plastic or metal roof or facade
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DE2642732A1
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SOLAR ROOF PAN
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DE2632056A1
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Living room fireplace with circulating air curtain - has gap over front of fire and air entry at bottom rear
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