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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 L22-007 ; NF EN 4609:2019-11-06
Aerospace series - Spiral drive recesses for threaded fasteners - Geometrical definition and technical requirements

Title (German)

Luft- und Raumfahrt - Spiral-Innenantrieb für Schrauben - Definition der Geometrie und Technische Anforderungen

Edition 2019-11-06

Original language English , 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 L22-007 ; NF EN 4609:2019-11-06 Aerospace series - Spiral drive recesses for threaded fasteners - Geometrical definition and technical requirements

Want to learn more?

NF L22-007 ; NF EN 4609:2019-11-06
Aerospace series - Spiral drive recesses for threaded fasteners - Geometrical definition and technical requirements