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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]

ABNT NBR 6458 Versão Corrigida 2
Gravel grains retained on the 4,8 mm mesh sieve - Determination of the bulk specific gravity, of the apparent specific gravity and of water absorption

Edition 2016-09-29

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 6458 Versão Corrigida 2 Gravel grains retained on the 4,8 mm mesh sieve - Determination of the bulk specific gravity, of the apparent specific gravity and of water absorption

Want to learn more?

ABNT NBR 6458 Versão Corrigida 2
Gravel grains retained on the 4,8 mm mesh sieve - Determination of the bulk specific gravity, of the apparent specific gravity and of water absorption