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

Standards [CURRENT]

NF T56-127 ; NF EN ISO 4638:1995-07-01
Polymeric materials, cellular flexible. Determination of air flow permeability

Title (German)

WEICHELASTISCHE SCHAUMSTOFFE. BESTIMMUNG DER LUFTSTROMDURCHLAESSIGKEIT. (EUROPAEISCHE NORM EN ISO 4638)

Edition 1995-07-01

Original language French

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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

NF T56-127 ; NF EN ISO 4638:1995-07-01 Polymeric materials, cellular flexible. Determination of air flow permeability

Want to learn more?

NF T56-127 ; NF EN ISO 4638:1995-07-01
Polymeric materials, cellular flexible. Determination of air flow permeability