| 摘要 |
The resins employed for the regeneration are incorporated into interchangeable cartridges (5) which are placed on conical connectors (14) of mouthpieces (6) arranged on a rack. To avoid prolonged handling at the time when the cartridges are replaced, the latter lock onto the cones (14) under the effect of their own weight, the sealing being provided by a toric seal. <IMAGE>
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