ES91887A1 -
The process of printing and reproduction on film or gelatin papers, by means of which transparent posters or sheets are obtained.
- Google Patents
The process of printing and reproduction on film or gelatin papers, by means of which transparent posters or sheets are obtained.
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Individual
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Individual
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Priority to ES91887ApriorityCriticalpatent/ES91887A1/en
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ES91887A1924-12-201924-12-20
The process of printing and reproduction on film or gelatin papers, by means of which transparent posters or sheets are obtained.
ExpiredES91887A1
(en)
Obtaining photographic simil-enamel by means of a positive image, films that are transported to a celluloid plate or analogous material that forms the rigid support.
A procedure and device for mechanical-photographic printing of music, in which notes, signs, letters, lines, etc. They are transported to light sensitive sheets and from there to the lithographic and typographic plate.