DIN - German Institute for Standardization

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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Standards [CURRENT]

OENORM ISO 691
Assembly tools for screws and nuts - Wrench and socket openings - Tolerances for general use (ISO 691:2005)

Title (German)

Schraubwerkzeuge - Schlüsselweiten für Schrauben- und Steckschlüssel - Toleranzen zum allgemeinen Gebrauch (ISO 691:2005)

Edition 2007-02-01

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 ISO 691 Assembly tools for screws and nuts - Wrench and socket openings - Tolerances for general use (ISO 691:2005)

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OENORM ISO 691
Assembly tools for screws and nuts - Wrench and socket openings - Tolerances for general use (ISO 691:2005)