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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

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ISO 6622-2	2013-11	Standards	Internal combustion engines - Piston rings - Part 2: Rectangular rings made of steel More	Order from DIN Media
ISO 6623	2013-07	Standards	Internal combustion engines - Piston rings - Scraper rings made of cast iron More	Order from DIN Media
ISO 6624-1	2017-04	Standards	Internal combustion engines - Piston rings - Part 1: Keystone rings made of cast iron More	Order from DIN Media
ISO 6624-2	2016-02	Standards	Internal combustion engines - Piston rings - Part 2: Half keystone rings made of cast iron More	Order from DIN Media
ISO 6624-3	2017-04	Standards	Internal combustion engines - Piston rings - Part 3: Keystone rings made of steel More	Order from DIN Media
ISO 6624-4	2016-02	Standards	Internal combustion engines - Piston rings - Part 4: Half keystone rings made of steel More	Order from DIN Media
ISO 6625	1986-08	Standards	Internal combustion engines; Piston rings; Oil control rings More	Order from DIN Media
ISO 6626-1	2024-07	Standards	Internal combustion engines - Piston rings - Part 1: Coil spring loaded oil control rings made of cast iron More	Order from DIN Media
ISO 6626-2	2024-07	Standards	Internal combustion engines - Piston rings - Part 2: Coil-spring-loaded oil control rings of narrow width made of cast iron More	Order from DIN Media
ISO 6626-3	2019-09	Standards	Internal combustion engines - Piston rings - Part 3: Coil-spring-loaded oil control rings made of steel More	Order from DIN Media

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