ISO/FDIS 21220

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

General information

Current stage: 50.98 Effective date: Mar 12, 2009

Originator: ISO

Owner: ISO/TC 142

Type: International Standard

ICS: 91.140.30

Life cycle

NOW

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

REVISED BY

WITHDRAWN
ISO/TS 21220:2009

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