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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Standards [Withdrawn]

DIN 21521
Roof bolts for mining and tunnel support

Title (German)

Anker für den Gruben- und Tunnelausbau

Document: references other documents

Document: referenced in other documents

Edition 1972-07

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

DIN 21521 Roof bolts for mining and tunnel support

Document: references other documents

Document: referenced in other documents

Sabine Hertel

Want to learn more?

DIN 21521
Roof bolts for mining and tunnel support