BS ISO 22197-4:2021 :
BS ISO 22197-4:2021 : 1368979
BS ISO 22197-4:2021 :
Title: Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for air-purification performance of semiconducting photocatalytic materials Removal of formaldehyde
Pages: 18
Year:
Publisher: BSI
Availability: Within 1-2 working days BSI will directly send the standards to End-User after our confirmation.
Title: Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for air-purification performance of semiconducting photocatalytic materials Removal of formaldehyde
Pages: 18
Year:
Publisher: BSI
Availability: Within 1-2 working days BSI will directly send the standards to End-User after our confirmation.
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