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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 28653
Jewellery - Ring-sizes - Definition, measurement and designation (ISO 8653:1986)

Title (German)

Schmuck - Ringgrößen - Begriff, Meßverfahren und Bezeichnung (ISO 8653:1986)

Edition 1993-06-01

Original language German

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Terminology

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 28653 Jewellery - Ring-sizes - Definition, measurement and designation (ISO 8653:1986)

Want to learn more?

OENORM EN 28653
Jewellery - Ring-sizes - Definition, measurement and designation (ISO 8653:1986)