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Fans — Determination of fan sound power levels under standardized laboratory conditions — Part 3: Enveloping…

Overview ISO 13347-3:2026 is an international standard published by the International Organization for Standardization (ISO) that specifies laboratory methods for determining the sound power levels o…

Fans. Determination of fan sound power levels under standardized laboratory conditions. Enveloping surface me…

Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 3:…

Overview ISO 13347-3:2004 - "Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 3: Enveloping surface methods" defines laboratory procedures to…

Tracked Changes. Fans. Determination of fan sound power levels under standardized laboratory conditions. Enve…