Light box has folding frame formed from L-shaped cross-section profile, which has first leg with spring groove provided in sole for fixture or location on shoulder of corresponding light tube formations
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Poster column comprises support formed as galvanized steel tube fixed by means of angle irons on base
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Poster holder arranged in showcase comprises rail on which are at laest two poster clamps, of which at least one is movable
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Light box for posters has light body, two reflective output coupling panels, one transmissive, inclined to central plane forming hollow space illuminated by light body remote from contact point
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Display cabinet for poster type material, which is easily exchanged
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Light box for illuminating display poster with frame contg. fluorescent tubes
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Traffic diversion device for road network
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Retractable road block for traffic control
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Automatic emergency signal for a fibre-optic information signal
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Compost frame structure providing rotting of compost material without odour generation - has upper and lower frame sections with larger upper and smaller lower openings with rotational displacement of the upper section