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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]

UNE-EN 1749
Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types)

Edition 2021-01-20

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 1749 Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types)

Want to learn more?

UNE-EN 1749
Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types)