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BE1009346A3
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Door.
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NL8602102A
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Method for manufacturing a wooden door with board exterior cladding.
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NL8104321A
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Water heating boiler - has part of solar-heated circuit inside insulated tube in upper boiler half with downward flow through circuit
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NL8104296A
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Solar collector has fixed reflectors heating tubes in circuit - with natural circulation exchanging heat with external secondary circuit
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NL8007053A
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Solar heat trap with a number of solar heat collectors.
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CH636948A5
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Device for accumulating and releasing the heat of a fluid heated by the sun
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NL7810278A
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Door lock construction.
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NL7808623A
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Solar heat collector.
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US4213563A
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Heat storage and transmission apparatus for heat from a fluid heated by the sun
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GR62574B
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An apparatus for recovering solar energy
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DE2646274A1
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DEVICE FOR GENERATING SOLAR ENERGY
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DE2530830A1
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Door lock handle - fits onto lock via intermediate sleeve with core accommodating key inserted through handle slot
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GB1433838A
|
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Wall constructions
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DE2351991A1
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Side edge construction of wooden doors - with frame side edge covered with bonded plastic layers
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NL7310526A
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Wooden door side edge finishing - has underneath hard board layers extending past frame and glued to hardwood edging strip
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GB1417340A
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Window frames
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