DIN EN 3745-705-2009 航空航天系列.航空器用光纤与光缆.试验方法.第705部分:对比测量
Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 705: Contrast measurement; German and English version EN 3745-705:2007
This standard specifies the process to be applied for measuring different colour densities of cable
identification markings. It is designed to define a reproducible process of contrast value determination.