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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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Publications of ISO/TC 172/SC 7/WG 3

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				Order from DIN Media
ISO 21987	2017-07	Standards	Ophthalmic optics - Mounted spectacle lenses More	Order from DIN Media
ISO/TR 11797	2024-11	Technical rule	Ophthalmic optics - Spectacle lenses - Power and prism measurements More	Order from DIN Media
ISO/TR 11826	2024-07	Technical rule	Ophthalmic optics - Spectacle lenses - Aspects of three-dimensional properties and reference markings More	Order from DIN Media
ISO/TR 20772	2018-10	Technical rule	Ophthalmic optics - Spectacle lenses - Short wavelength visible solar radiation and the eye More	Order from DIN Media
ISO/TR 21958	2019-09	Technical rule	Ophthalmic optics - Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses More	Order from DIN Media
ISO/TR 28980	2007-01	Technical rule	Ophthalmic optics - Spectacle lenses - Parameters affecting lens power measurement More	Order from DIN Media

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