ICO-25 (International Commission for Optics (ICO))
originally scheduled in 2020 in Dresden, Germany
postponed to 13th September to 17th September 2021
https://www.ico25.org/
5th to 9th September 2022 in Dresden, Germany
2025-07-03 (木) 13:43:51Total 863Today 1Yesterday 1(Now 1)