ES96704A3 -
A procedure consisting of retouching negative and positive hatched photographic clichés, for the direct obtaining of photoliths with them.
- Google Patents
A procedure consisting of retouching negative and positive hatched photographic clichés, for the direct obtaining of photoliths with them.
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Individual
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Individual
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Priority to ES96704ApriorityCriticalpatent/ES96704A3/en
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ES96704A1926-01-281926-01-28
A procedure consisting of retouching negative and positive hatched photographic clichés, for the direct obtaining of photoliths with them.
ExpiredES96704A3
(en)