| 摘要 |
The present invention concerns a compression unit for a frame receiving one or more separate units for cable entries, pipe penetrations etc. The compression unit comprises a compression plate to be received in the frame. The compression plate has protrusions to be received in grooves of the frame. The grooves have a first straight part and a second rounded part. To put the compression plate in a compressing position, the compression plate is turned by use of a suitable tool, when the protrusions are in the rounded parts of the grooves.
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