STB PDF

A typology of language registers. Original standard PD ISO TR 20694-2018 in PDF full version. Additional info + preview on request

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Information technology for learning, education and training - Learning analytics interoperability Part 2: System requirements. Original standard PD ISO TR 20748-2-2017 in PDF full version. Additional info + preview on request

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Ophthalmic optics. Spectacle lenses. Short wavelength visible solar radiation and the eye. Original standard PD ISO TR 20772-2018 in PDF full version. Additional info + preview on request

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Photography. Photographic reflection prints - Evaluation methods of image quality. Original standard PD ISO TR 20791-1-2020 in PDF full version. Additional info + preview on request

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Optics and photonics. Lasers and laser-related equipment. Laser-induced molecular contamination testing. Original standard PD ISO TR 20811-2017 in PDF full version. Additional info + preview on request

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Ophthalmic instruments. Background for light hazard specification in ophthalmic instrument standards. Original standard PD ISO TR 20824-2007 in PDF full version. Additional info + preview on request

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