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ISO 22197-4:2021-ed.2.0

Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for air-purification performance of semiconducting photocatalytic materials — Part 4: Removal of formaldehyde

NORMA vydána dne 5.7.2021

Anglicky -
Elektronické PDF (2114.90 CZK)

Anglicky -
Tištěné (2114.90 CZK)




Francouzsky -
Elektronické PDF (2114.90 CZK)

Francouzsky -
Tištěné (2114.90 CZK)

The information about the standard:

Designation standards: ISO 22197-4:2021-ed.2.0
Publication date standards: 5.7.2021
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: International technical standard
Kategorie: Technické normy ISO