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Application filed by Balcar SafiledCriticalBalcar Sa
Priority to MX18560381ApriorityCriticalpatent/MX150356A/es
Publication of MX150356ApublicationCriticalpatent/MX150356A/es
MX18560381A1981-01-161981-01-16Mejoras en dispositivo constituido por una fuente luminosa para usarse como proyector para fotografias,peliculas o t.v.
MX150356A
(es)
Dispositivo applicabile a superfici di lastre trasparenti, atto a intercettare, totalmente o in parte, la luce proveniente da una determinata sorgente.