DE3802583A1
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Ventilating apparatus for windows and/or French windows for the recuperative ventilating and venting of lounges (recreation rooms)
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EP0164111A2
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Sound absorbing and heat insulating compound window with a ventilating device
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DE3300389A1
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Equipment for measuring air conditioning values, in particular in living rooms, bedrooms and work rooms
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DE3216581A1
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SOUND AND HEAT-INSULATING CONNECTING WINDOW WITH SOUND INSULATION
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DE3043783A1
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Double glazed, insulated, composite window - has serpentine ducts in top and bottom ventilation units with variable air link
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DE2949221A1
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Solar heating system under wall cladding - uses resilient liq. circulating tubes attached to flexible strips, between upper and lower header tubes
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DE2847498A1
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Noise screen for motorways, railway lines etc. - consists of stacked troughs of pyramidal configuration supported at their centres
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DE2757604A1
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Self-tightening elastic wall cladding panel - comprises two part areas with bending form pieces, one projecting upwards
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ATA659077A
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Wall covering panel made of elastic bendable material
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NL176291B
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Wall covering plate.
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GB190003037A
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Improvements in Valve Gear for Direct Acting Steam Engines and the like.
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US648820A
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Valve-gear for engines.
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