16/30348371 DC BS ISO 14644-12 潔凈室和相關(guān)的受控環(huán)境 第十二部分 納米級(jí)顆粒濃度監(jiān)測(cè)空氣潔凈度規(guī)范
BS ISO 14644-12. Cleanrooms and associated controlled environments. Part 12. Specifications for monitoring air cleanliness by nanoscale particle concentration