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Individual
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Priority to ES0039385UpriorityCriticalpatent/ES39385Y/en
Publication of ES39385UpublicationCriticalpatent/ES39385U/en
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Publication of ES39385YpublicationCriticalpatent/ES39385Y/en
Crossroads for railways, characterized in that it is constituted by two pieces of reinforced concrete, designed to support the rails, joined together by a steel beam, in which, in the part corresponding to each of these support pieces, it has two housings for the rectangular heads of the screws that hold the rail on one side and the other, whose housings extend the recesses made in the concrete covering the joist for the passage of the screws. (Machine-translation by Google Translate, not legally binding)
ES0039385U1953-12-051953-12-05
Sleeper for railways
ExpiredES39385Y
(en)
Steel concrete manufacturing procedure with tension members for posts, such as tramways, transverse parts, arms (Machine-translation by Google Translate, not legally binding)
System for the prefabrication of mixed beams through the rigging of ceramic pieces with reinforced concrete (Machine-translation by Google Translate, not legally binding)
Road installation for the simultaneous circulation of railway convoyes with a different rolling galga. (Machine-translation by Google Translate, not legally binding)