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DE3445231A1
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Sound-absorbing structural panel
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DE3421329A1
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Sound-absorbing building panel for ceilings and walls
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DE3326054A1
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False ceiling
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DE3307116A1
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Installation for aeration and temperature control of living and/or working rooms
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DE3204014A1
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SOUND-absorbing building board
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DE3145754A1
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Sound-absorbing building element
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EP0028828A2
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Building panel
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NL8002021A
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Suspended ceiling and fluorescent lighting combination - has sound absorbing reflective layer supported between lamps and inner top housing surface
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DE2930123A1
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SOUND-absorbing building board
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DE2907914A1
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Narrow passage type under-ceiling support mounting - has cross supports initially serving as gauges for wall supports spacing
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DE2842707A1
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Suspended ceiling and fluorescent lighting combination - has sound absorbing reflective layer supported between lamps and inner top housing surface
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DE2840401A1
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Honeycomb ceiling panel nodal point connectors - are tubular with hanger slots engaged by retainers with grooves
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DE2822171A1
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Grid pattern support for suspended ceiling - has holes wide enough for access by hand in strip connectors
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DE2733448A1
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Suspended ceiling support network nodal unit - has arms firmly joined to carrier profiles between ends and slits
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DE2640555A1
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Suspended ceiling panel support structure - has downwards open C=shaped carrier profiles and retainers with hanger shanks
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DE2601557A1
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False ceiling for offices - has down pipes from ceiling air duct to bottom end outlet slots and raster grid of straps with pipes at intersections
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DE2553196A1
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Ceiling mounted fresh air ventilation inlet - has cylindrical valve with two bores connecting several outlets (NL 1.6.77)
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DE2515329A1
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Readily-detachable-panel suspended ceiling - has retaining intermediate rails displaceable on retainers for disengagement
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DE2449576A1
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Suspended ceiling panel support grid holder section - with bottom shanks engaging panel slits and top shanks notched over grid section edges
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DE2449575A1
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Suspended ceiling panel support grid - with sections on hook elements elastically strutted when drawn down
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