| 摘要 |
Procedure for creating signs with captions in Braille, on a laminar medium and comprising the creation of a photographic positive and negative of the intended design, obtaining photoliths from the photographic positive and negative, by means of photosensitive film, insolation by means of ultra- violet rays through the photoliths of other such plates based on a network polymer, washing and drying the plates obtained and introducing the laminar medium between the male and female bodies, subjecting them to compression for embossing the laminar medium by forming.
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