Resumen
This International Standard specifies a method for measuring densities of first generation silver-gelatin microforms.
It specifies density values for different qualities of documents.
It applies to source document negative-appearing microforms.
It does not apply to microforms for technical drawings which are dealt with in ϲʿ 3272-2, or to diazo and vesicular
films which are the subject of ϲʿ 8126, or to COM microforms which are dealt with in ϲʿ 8514.
Ciclo de vida
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Anteriormente
Retiradaϲʿ 6200:1990
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Ahora
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