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FIBROTUBO S A
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FIBROTUBO S A
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Application filed by FIBROTUBO S AfiledCriticalFIBROTUBO S A
Priority to ES1969145999UpriorityCriticalpatent/ES145999Y/en
Publication of ES145999UpublicationCriticalpatent/ES145999U/en
Application grantedgrantedCritical
Publication of ES145999YpublicationCriticalpatent/ES145999Y/en
Accessory for sealing and securing covers, which is essentially characterized in that it is constituted by a nut that forms a single body with a kind of frustum or frustum cap emerging from the peripheral edge of one of its bases and that inside said cap, extends in a central pitted hole in accordance with its hole and threaded in extension of that, which python serves as a guide to the upper hole of a semi-rigid and deformable washer, also frustoconical, of the same convergence and higher than the cap, which is inserted inside this. (Machine-translation by Google Translate, not legally binding)
ES1969145999U1969-02-261969-02-26
ACCESSORY FOR SEALING AND SECURING ROOFS.
ExpiredES145999Y
(en)