Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PANDO Y DIAZ MATILDE
Original Assignee
PANDO Y DIAZ MATILDE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PANDO Y DIAZ MATILDEfiledCriticalPANDO Y DIAZ MATILDE
Priority to ES0040315UpriorityCriticalpatent/ES40315Y/es
Publication of ES40315UpublicationCriticalpatent/ES40315U/es
Application grantedgrantedCritical
Publication of ES40315YpublicationCriticalpatent/ES40315Y/es
Aparato de dibujo con el que puede obtenerse el relieve por la cara anterior del papel, caracterizado por poseer una plantilla de círculos concéntricos en altorrelieve.
ES0040315U1954-02-081954-02-08Apárato de dibujo para uso de los ciegos
ExpiredES40315Y
(es)