标准摘要
[中文适用范围]： 本国际标准规定了第一代银明胶微片密度的测量方法。 它指定了不同质量的文档的密度值。 它适用于源文件负片缩微形式。 它不适用于 ISO 3272-2 中涉及的技术图纸缩微品，或 ISO 8126 中涉及的重氮和多孔薄膜，或 ISO 8514 中涉及的 COM 缩微品。 [外文原描述]： 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 ISO 3272-2, or to diazo and vesicular films which are the subject of ISO 8126, or to COM microforms which are dealt with in ISO 8514.
英文名称Micrographics — First generation silver-gelatin microforms of source documents — Density specifications and method of measurement