11/30199652 DC
BS ISO 22197-4. Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for air-purification performance of semiconducting photocatalytic materials. Part 4. Removal of formaldehyde

Standard No.

11/30199652 DC

Release Date

2011

Published By

SCC

Latest

11/30199652 DC

11/30199652 DC history

• 0000 11/30199652 DC