DIN EN 2591-602:2002 航空航天系列.光电连接件.试验方法.第602部分:光学元件.衰减变量和光学不连续性
Aerospace series - Elements of electrical and optical connection; Test methods - Part 602: 0ptical elements; Variation of attenuation and optical discontinuity; German and English version EN 2591-602:2001