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Priority to ES112952UpriorityCriticalpatent/ES112952Y/en
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Publication of ES112952YpublicationCriticalpatent/ES112952Y/en
Improved sulfation device characterized in that it consists essentially of two tubes telescopically plugged one inside the other, at the ends of which are disposed two valves of similar characteristics that are pressed by light springs so that they can work in any position having adapted at their other end the wrapping tube a sealing and in turn and at the inner end of the tube wrapped another closure device that can be moved with the tube itself to which it is attached. (Machine-translation by Google Translate, not legally binding)