KS L ISO 22197-2:2020 Fine ceramics(advanced ceramics, advanced technical ceramics) —Test method for air-purification performance of semiconducting photocatalytic materials — Part 2: Removal of acetaldehyde
2020KS L ISO 22197-2:2020 Fine ceramics(advanced ceramics, advanced technical ceramics) —Test method for air-purification performance of semiconducting photocatalytic materials — Part 2: Removal of acetaldehyde