JIS R 1709:2014 Fine ceramics (advanced ceramics, advanced technical ceramics) -- Light source for test of photocatalytic materials used under ultraviolet
2014JIS R 1709:2014 Fine ceramics (advanced ceramics, advanced technical ceramics) -- Light source for test of photocatalytic materials used under ultraviolet
2007JIS R 1709:2007 Light source for test of photocatalytic materials used under ultraviolet