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Status : Active
Standard Type : Main
Document No : ISO 21904-2:2020
Document Year : 2020
Pages : 14
Edition : 1
Section Volume : Health and safety (ISO/TC 44/SC 9.)
The method specified does not apply to testing of filter cartridges independent of the equipment in which they are intended to be used.
This document applies to equipment that is manufactured after its publication.
NOTE General ventilation systems are excluded from the Scope of ISO 21904-1.