| 摘要 |
A roller-strip filter for air or gas purification, which can be easily disassembled, consists of two units separable from each other. The first unit comprises a mounting framework, seals for the filter strip and support grids for backing the filter strip , guide rollers for the filter strip; the second unit comprises feed and wind-up rollers for moving the filter strip and a drive unit for rotating the wind-up roller, whereby the more delicate components can be mounted in the filter framework after fitting the framework to a wall portion or the like.
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