| 摘要 |
Improvements to a device of the type consisting of two twin mechanisms which are connected to the Ts of the hotand cold- water stopcocks, respectively, and to which the mixer device is coupled, characterized in that the tubular piece constituting the essential element of such mechanisms has threaded onto it a bush provided with a conical external thread which allows the coupling of said bush and therefore of the tubular piece on which it is mounted to the conduit of the T, irrespective of the diameter of the hole of said conduit and the type of thread pitch thereof. <IMAGE>
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