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Draft standard

DIN EN 16339

Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling; German and English version prEN 16339:2023
Edition 2023-12

Standards [CURRENT]

DIN EN ISO 13666

Ophthalmic optics - Spectacle lenses - Vocabulary (ISO 13666:2019); German version EN ISO 13666:2019
Edition 2019-12

Technical rule [CURRENT]

VDI/VDE/DGQ/DKD 2618 Blatt 1.1

Inspection of measuring and test equipment - Instructions to inspect measuring and test equipment for geometrical quantities - Basic principles
Edition 2021-07

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