NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
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Cleanrooms and associated controlled environments - Part 13: Cleaning of surfaces to achieve defined levels of cleanliness in terms of particle and chemical classifications
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2025-03-13
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ISO/DIS 14644-13
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NA 041-02-21 AA - Cleanroom technology (Mirror committee CEN/TC 243 and ISO/TC 209)
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ISO/TC 209 - Cleanrooms and associated controlled environments