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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 A03-150-3 ; NF EN ISO 4545-3:2018-03-07
Metallic materials - Knoop hardness test - Part 3: calibration of reference blocks

Title (German)

Metallische Werkstoffe - Härteprüfung nach Knoop - Teil 3: Kalibrierung von Härtevergleichsplatten

Edition 2018-03-07

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 A03-150-3 ; NF EN ISO 4545-3:2018-03-07 Metallic materials - Knoop hardness test - Part 3: calibration of reference blocks

Want to learn more?

NF A03-150-3 ; NF EN ISO 4545-3:2018-03-07
Metallic materials - Knoop hardness test - Part 3: calibration of reference blocks