NF L54-002-086*NF EN 2591-604:2002 Aerospace series - Elements of electrical and optical connection - Test methods - Part 604 : optical elements - Cleaning capability of optical face.
2002NF L54-002-086*NF EN 2591-604:2002 Aerospace series - Elements of electrical and optical connection - Test methods - Part 604 : optical elements - Cleaning capability of optical face.