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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]

ABNT NBR 12858
Gases and gaseous mixtures for use in vehicle emission laboratory - Determination of concentration, minimum purity grade and contaminants

Edition 2016-03-15

Original language Portuguese

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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

ABNT NBR 12858 Gases and gaseous mixtures for use in vehicle emission laboratory - Determination of concentration, minimum purity grade and contaminants

Want to learn more?

ABNT NBR 12858
Gases and gaseous mixtures for use in vehicle emission laboratory - Determination of concentration, minimum purity grade and contaminants