DIN ISO 9022-20-2001 光学和光学仪器.环境试验方法.第20部分:含有硫化氢或二氧化硫的湿空气试验
Optics and optical instruments - Environmental test methods - Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide (ISO 9022-20:1997)
The document specifies methods for the testing of optical instruments and instruments containing optical components for their ability to resist sulfur dioxide or hydrogen sulfide in a hunid atmosphere.