• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Publications of NA 052-00-34-04 AK

DIN 70907 1991-04 Standards Piston rings; test of quality characteristics; terms, measuring procedures; supplement to DIN ISO 6621 Part 2 More  Order from DIN Media
DIN 70908 1991-04 Standards Piston rings; quality requirements; visible characteristics, marking; supplement to DIN ISO 6621 Part 5 More  Order from DIN Media
DIN ISO 6625 1990-06 Standards Internal combustion engines; piston rings; oil control rings; identical with ISO 6625:1986 More  Order from DIN Media
DIN ISO 6626 1990-06 Standards Internal combustion engines; piston rings; coil-spring-loaded oil control rings; identical with ISO 6626:1989 More  Order from DIN Media
ISO 6621-1 2018-02 Standards Internal combustion engines - Piston rings - Part 1: Vocabulary More  Order from DIN Media
ISO 6621-2 2020-03 Standards Internal combustion engines - Piston rings - Part 2: Inspection measuring principles More  Order from DIN Media
ISO 6621-3 2021-06 Standards Internal combustion engines - Piston rings - Part 3: Material specifications More  Order from DIN Media
ISO 6621-4 2024-05 Standards Internal combustion engines - Piston rings - Part 4: General specifications More  Order from DIN Media
ISO 6621-5 2020-01 Standards Internal combustion engines - Piston rings - Part 5: Quality requirements More  Order from DIN Media
ISO 6622-1 2021-08 Standards Internal combustion engines - Piston rings - Part 1: Rectangular rings made of cast iron More  Order from DIN Media

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