G - Physics – 09 – B
Patent
G - Physics
09
B
197/11, 101/96
G09B 21/02 (2006.01) B41J 3/32 (2006.01)
Patent
CA 1289410
ABTRACT A braille printing plate comprising a male part having braille characters formed by balls and a female part to be used in combination with the male part and having dot receptacle holes formed by copying the braille characters of the male part. The male part comprises a braille printed sheet having dot holes loaded with the balls which are thereafter secured thereto. The female part is formed with dot receptacle holes by copying the braille characters of the male part.
553341
Ogilvy Renault
Okada Chozo
LandOfFree
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