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Chinese Standard: GB/T 18405-2008

Micrographics—ISO character and ISO test chart No.1—Description and use

IDT  ISO 446:2004

全国文献影像技术标准化技术委员会(SAC/TC 86)

本标准规定了ISO黑白字符的特征与ISO 1号测试图的特征及其使用方法。
本标准适用于给定缩微系统所生成的缩微影像的质量控制,以及使用该系统制作的缩微品的潜在可读性。

This standard is the original Chinese electronic standard.
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