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Cleanrooms and associated controlled environments - Part 9: Classification of surface cleanliness by particle concentration
STANDARD published on 1.2.2013
Designation standards: ČSN EN ISO 14644-9
Classification mark: 125301
Catalog number: 91742
Note: WITHDRAWN
Publication date standards: 1.2.2013
SKU: NS-165891
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Latest update: 2025-06-02 (Number of items: 2 203 752)
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