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ISO/FDIS 21220

Particulate air filters for general ventilation — Determination of the filtration performance

General information

50.98     Mar 12, 2009

ISO

ISO/TC 142

International Standard

91.140.30  

Life cycle

NOW

ABANDON
ISO/FDIS 21220
50.98 Project deleted
Mar 12, 2009

REVISED BY

WITHDRAWN
ISO/TS 21220:2009