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NL9300081A
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Self-regulating ventilation grille.
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NL9200254A
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Gutter structure
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NL9200230A
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Ventilation grill.
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NL9100282A
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Brick profile.
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NL8703161A
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Ventilation assembly for doors and windows - automatically closes when external noise levels exceed set value
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NL8702695A
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Insulating panel for building - has shell on one side coated with insulating material
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NL8702662A
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Roof edge profile with seam seal.
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NL8700313A
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Ventilation slide.
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NL8601057A
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Double glazing for building window - includes rubber support blocks, and snap-in retainer strips for glass panes
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NL8501985A
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Roof edge profile.
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NL8500517A
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Door-frame with top light - has side jambs, top profile, and height adjustable cross-piece
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NL8500516A
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Double glazing for existing wooden window frame - has ridge engaging sill and spring for resilient insertion of aluminum
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NL8403967A
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Two-part clamping bracket for a door or window frame.
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NL8401402A
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Internal door and/or window frame casing - has two uprights, lintel, intermediate sill and one bottom sill
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NL8201389A
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Profiled ventilating duct with grilles - has sound absorbent plastics foam labyrinth with air passage between grilles
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NL7511474A
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Adjustable composite door frame - has angle-section ribs at rear of U-section exposed face gripping corner connectors
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NL7414633A
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Door frame installation system - supports upper profiled section on columns before insertion and pressing against ceiling
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