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NA 152

DIN Standards Committee Technical Fundamentals

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DIN EN ISO 21920-2 [Withdrawn] referenced in following documents:

Document number Edition Title
DIN EN ISO 14644-9 2022-10 Cleanrooms and associated controlled environments - Part 9: Assessment of surface cleanliness for particle concentration (ISO 14644-9:2022); German version EN ISO 14644-9:2022 More