NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
Technical rule
[CURRENT]
ISO/TR 14644-21
ISO/TR 14644-21
Cleanrooms and associated controlled environments - Part 21: Airborne particle sampling techniques
Responsible national committee
NA 041-02-21 AA - Cleanroom technology (Mirror committee CEN/TC 243 and ISO/TC 209)