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Priority to ES1981258010UpriorityCriticalpatent/ES258010Y/en
Publication of ES258010UpublicationCriticalpatent/ES258010U/en
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Publication of ES258010YpublicationCriticalpatent/ES258010Y/en
1.new rung for telescopic ladders, characterized in that the rung, independently of the openings of the ends, has two parallel lateral depressions along the upper surface thereof, which have a central part with a longitudinal projection that determine in the lower surface of the step a longitudinal cavity for the housing at the ends of the fixing latches of the sliding sections of the staircase. 2.new rung for telescopic ladders. (Machine-translation by Google Translate, not legally binding)
ES1981258010U1981-04-141981-04-14
NEW PELDANO FOR TELESCOPIC STAIRS
ExpiredES258010Y
(en)