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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 ISO 4157-2
Construction drawings - Designation systems - Part 2: Room names and numbers (ISO 4157-2:1998)

Title (German)

Zeichnungen für das Bauwesen - Bezeichnungssysteme - Teil 2: Raum-Namen und -Nummern (ISO 4157-2:1998)

Edition 1999-07-01

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 EN ISO 4157-2 Construction drawings - Designation systems - Part 2: Room names and numbers (ISO 4157-2:1998)

Want to learn more?

OENORM EN ISO 4157-2
Construction drawings - Designation systems - Part 2: Room names and numbers (ISO 4157-2:1998)