Abstract Preview

This document specifies visual diffuse transmission densities for second generation silver-gelatin and diazo microforms and projection densities for second generation vesicular microforms. It also specifies methods of measurement.

It does not apply to duplicates of microforms of technical drawings and other drawing office documents.


General information

  • Status :  Published
    Publication date : 2019-01
  • Edition : 3
    Number of pages : 3
  • :
    ISO/TC 171
    Document management applications
  • 37.080
    Document imaging applications

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