| 摘要 |
A hydraulic pressure cylinder (1), as used in particular in brakes or the like, has a channel-shaped insert (35), the sides (35A) of which are in engagement with the inner cylinder wall in such a way that they form a channel path towards the interior of the cylinder for air collected in the top area of the cylinder. The ventilation of the cylinder (1) is facilitated by means of such a path. <IMAGE>
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