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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 9983
Straight washers to be used in structural hexagonal screws of high resistance - Dimensions and materials

Edition 2010-11-11

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 9983 Straight washers to be used in structural hexagonal screws of high resistance - Dimensions and materials

Want to learn more?

ABNT NBR 9983
Straight washers to be used in structural hexagonal screws of high resistance - Dimensions and materials