Afdeksysteem voor het afdekken van een opening in een wand.

Abstract

A metal plate (9) with a central aperture (10) is set into cement and then covered by tiles (8). The cover plate (5) carries permanent magnets (7) which hold the plate in place over the wall aperture. The cover plate has two finger holes (11) in the middle to enable it to be removed, using finger and thumb.

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