DIN EN 61291-5-2:2017
光纤放大器.第5-2部分:合格鉴定规范.光纤放大器可靠性合格鉴定(IEC 61291-5-2-2017);德文版本EN 61291-5-2-2017
Optical amplifiers - Part 5-2: Qualification specifications - Reliability qualification for optical fibre amplifiers (IEC 61291-5-2:2017); German version EN 61291-5-2:2017