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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 E25-150 ; NF EN ISO 10644:2009-09-01
Screw and washer assemblies made of steel with plain washers - Washer hardness classes 200 HV and 300 HV

Title (German)

Kombi-Schrauben aus Stahl mit flachen Scheiben - Härteklassen der Scheiben 200 HV und 300 HV

Edition 2009-09-01

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 E25-150 ; NF EN ISO 10644:2009-09-01 Screw and washer assemblies made of steel with plain washers - Washer hardness classes 200 HV and 300 HV

Want to learn more?

NF E25-150 ; NF EN ISO 10644:2009-09-01
Screw and washer assemblies made of steel with plain washers - Washer hardness classes 200 HV and 300 HV