ES141237A1 -
A process for producing and revealing stable layers sensitized with heavy metal salts, especially on heliographic papers.
- Google Patents
A process for producing and revealing stable layers sensitized with heavy metal salts, especially on heliographic papers.
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Kolimann Ludwig
Original Assignee
Kolimann Ludwig
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Publication date
Application filed by Kolimann LudwigfiledCriticalKolimann Ludwig
Priority to ES141237ApriorityCriticalpatent/ES141237A1/en
Publication of ES141237A1publicationCriticalpatent/ES141237A1/en
ES141237A1936-01-181936-01-18
A process for producing and revealing stable layers sensitized with heavy metal salts, especially on heliographic papers.
ExpiredES141237A1
(en)