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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]

OENORM EN ISO 643
Steels - Micrographic determination of the apparent grain size (ISO 643:2019, Corrected version 2020-03)

Title (German)

Stahl - Mikrophotographische Bestimmung der erkennbaren Korngröße (ISO 643:2019, korrigierte Fassung 2020-03)

Edition 2020-06-01

Original language German

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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

OENORM EN ISO 643 Steels - Micrographic determination of the apparent grain size (ISO 643:2019, Corrected version 2020-03)

Want to learn more?

OENORM EN ISO 643
Steels - Micrographic determination of the apparent grain size (ISO 643:2019, Corrected version 2020-03)