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Individual
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Individual
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Priority to ES0034686UpriorityCriticalpatent/ES34686Y/es
Publication of ES34686UpublicationCriticalpatent/ES34686U/es
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Publication of ES34686YpublicationCriticalpatent/ES34686Y/es
Un escuadriador para márgenes fotográficos, que se caracteriza por constar de una escuadra aplanada rígida y matemáticamente perfecta, en cuyo vértice se localiza la caja de un engrane de rueda y cremallera, accionado por manecilla de eje vertical, y en la cremallera coincidiendo con la bisectriz de la escuadra; en el extremo de la cremallera está fija otra escuadra menor, que puede deslizarse por debajo de la principal; por su parte, los dos brazos de la principal sirven de guías a sendas reglas perpendiculares a ellos.
ES0034686U1953-02-031953-02-03Escuadriador para márgenes fotográficas
ExpiredES34686Y
(es)