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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

Technical rule [CURRENT]

OVE-Richtlinie R 4-4
Graphical symbols for diagrams - Part 4: Graphical symbols for telecommunication, for switching equipment and terminals as well as transmission devices

Title (German)

Graphische Symbole für Schaltpläne - Teil 4: Schaltzeichen für die Nachrichtentechnik, für Vermittlungs- und Endeinrichtungen sowie für Übertragungseinrichtungen

Edition 2010-01-01

Original language German

Price from 45.72 €

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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

OVE-Richtlinie R 4-4 Graphical symbols for diagrams - Part 4: Graphical symbols for telecommunication, for switching equipment and terminals as well as transmission devices

Want to learn more?

OVE-Richtlinie R 4-4
Graphical symbols for diagrams - Part 4: Graphical symbols for telecommunication, for switching equipment and terminals as well as transmission devices