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DELGADO LOPEZ MANUEL
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DELGADO LOPEZ MANUEL
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Priority to ES0066007UpriorityCriticalpatent/ES66007Y/en
Publication of ES66007UpublicationCriticalpatent/ES66007U/en
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Publication of ES66007YpublicationCriticalpatent/ES66007Y/en
Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General
(AREA)
Glass Compositions
(AREA)
Abstract
Instrument for the drawing of perspectives (perspectºgrafo) characterized by constituting the vanishing points to the right and left, solid pivots housing elements, susceptible to allow the sliding and rotation of those. (Machine-translation by Google Translate, not legally binding)
ES0066007U1958-05-081958-05-08
Instrument for drawing perspectives
ExpiredES66007Y
(en)