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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]

UNE-EN ISO 4157-3
CONSTRUCTION DRAWINGS. DESIGNATION SYSTEMS. PART 3: ROOM IDENTIFIERS (ISO 4157-3:1998)

Edition 1999-05-19

Original language Spanish

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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

UNE-EN ISO 4157-3 CONSTRUCTION DRAWINGS. DESIGNATION SYSTEMS. PART 3: ROOM IDENTIFIERS (ISO 4157-3:1998)

Want to learn more?

UNE-EN ISO 4157-3
CONSTRUCTION DRAWINGS. DESIGNATION SYSTEMS. PART 3: ROOM IDENTIFIERS (ISO 4157-3:1998)