| 摘要 |
Off-line filter (1) having a plurality of channels (2) which are formed with at least one structured wall layer (3) and a filter layer (4), wherein guide blades (5) projecting into at least the plurality of channels (2) are provided and passages (6) formed with the wall layer (3) and leading to another channel (2) are provided, wherein the passages (6) have a narrowing cross section (7), and the narrowing portion (8) of the cross section (7) is oriented towards the adjacent guide blade (5).
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