| 摘要 |
<p>The invention relates to a retaining plate for a vacuum-cleaner filter bag comprising a through-passage opening and a closure flap for closing the through-passage opening, wherein the closure flap comprises a first region comprising a first material of a first hardness and a second region comprising a second material of a second hardness, wherein the second hardness is at a lower level than the first hardness, wherein the second region is arranged, at least in part, on the periphery of the closure flap, and wherein the second material, at least in part, has a thickness of less than 1 mm.</p> |
