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GRACIA ARA JOSE
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GRACIA ARA JOSE
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Priority to ES0059591UpriorityCriticalpatent/ES59591Y/es
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Publication of ES59591YpublicationCriticalpatent/ES59591Y/es
Un bulón graduable para unión de piezas prefabricadas, caracterizado por estar constituido por dos semicilindros, entre los que se interponen unas cuñas en sentido longitudinal, que gradúan la dimensión del diámetro del cilindro que forman las dos mitades al unirse entre sí.
ES0059591U1957-04-161957-04-16Bulón graduable para unión de piezas prefabricadas
ExpiredES59591Y
(es)