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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]

ISO 9177-3
Mechanical pencils for technical drawings - Part 3: Black leads - Bending strengths of HB leads

Responsible national committee

NA 152-06 FBR - Steering Committee of Section Technical Product Documentation

Responsible international committee

ISO/TC 10/WG 18 - Drawing and writing instruments

Edition 2022-01

Original language English

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Terminology

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

ISO 9177-3 Mechanical pencils for technical drawings - Part 3: Black leads - Bending strengths of HB leads

Responsible national committee

Responsible international committee

Felix Kaulfersch

Want to learn more?

ISO 9177-3
Mechanical pencils for technical drawings - Part 3: Black leads - Bending strengths of HB leads