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Priority to ES1980264643UpriorityCriticalpatent/ES264643Y/es
Publication of ES264643UpublicationCriticalpatent/ES264643U/es
Application grantedgrantedCritical
Publication of ES264643YpublicationCriticalpatent/ES264643Y/es
ES1980264643U1980-12-291980-12-29"perfeccionamientos en los dispositivos de apertura y cierre de laminas orientables dispuestas en una abertura".
ExpiredES264643Y
(es)