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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 ISO 6621-3
Internal combustion engines - Piston rings Part 3: Material specifications

Edition 2022-12-20

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 ISO 6621-3 Internal combustion engines - Piston rings Part 3: Material specifications

Want to learn more?

ABNT NBR ISO 6621-3
Internal combustion engines - Piston rings Part 3: Material specifications