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Aperture cards of patent documents
STANDARD published on 14.9.1981
Designation standards: ČSN 013831
Classification mark: 013831
Catalog number: 78
Publication date standards: 14.9.1981
SKU: NS-116666
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Document imaging applicationsDocuments in administration, commerce and industry
Norma stanovuje technické požadavky a postup děrování mikroštítků pro informace o vynálezech.
Tvar, rozměry a materiál mikroštítků odpovídá ustanovením ČSN 01 3830 z 1980.
Informační příloha 1 uvádí příklad mikroštítku s popisem
28.3.1985
1.3.1990
21.12.1988
8.11.1989
13.9.1989
8.11.1989
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