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Test patterns for micrography; test exposures made to establish the conditions for microfilming of printed documents, literature and newspapers.
STANDARD published on 1.3.1991
Designation standards: DIN 19051-21:1991-03
Publication date standards: 1.3.1991
SKU: NS-188933
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: German technical standard
Category: Technical standards DIN
Testvorlagen für die Mikrographie; Probeaufnahmen zum Festlegen der Aufnahmebedingungen für die Verfilmung von Schriftgut, Schrifttum und Zeitungen.
1.10.1979
1.3.1980
1.10.1979
1.4.1986
1.1.1991
1.7.1985
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