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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Publications of ISO/TC 172/SC 3/WG 1

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ISO 12844	1999-12	Standards	Raw optical glass - Grindability with diamond pellets - Test method and classification More	Order from DIN Media
ISO 17411	2022-12	Standards	Optics and photonics - Optical materials and components - Test method for homogeneity of optical glasses by laser interferometry More	Order from DIN Media
ISO 21395-1	2020-06	Standards	Optics and photonics - Test method for refractive index of optical glasses - Part 1: Minimum deviation method More	Order from DIN Media
ISO 21395-2	2022-02	Standards	Optics and photonics - Test method for refractive index of optical glasses - Part 2: V-block refractometer method More	Order from DIN Media
ISO 21575	2018-06	Standards	Optics and photonics - Optical materials and components - The powder test method for the water resistance of optical glass More	Order from DIN Media
ISO 22531	2020-05	Standards	Optics and photonics - Optical materials and components - Test method for climate resistance of optical glass More	Order from DIN Media

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