DIN - German Institute for Standardization

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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Draft standard

25/30480400 DC
BS ISO 13347-3 Fans - Determination of fan sound power levels under standardized laboratory conditions. Part 3: Enveloping surface methods

Edition 2025-01-23

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

25/30480400 DC BS ISO 13347-3 Fans - Determination of fan sound power levels under standardized laboratory conditions. Part 3: Enveloping surface methods

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25/30480400 DC
BS ISO 13347-3 Fans - Determination of fan sound power levels under standardized laboratory conditions. Part 3: Enveloping surface methods