ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C02F0003100000 Packings; Fillings; Grids 1
C02F0003120000 Activated sludge processes 1
C02F0003140000 using surface aeration 1
C02F0003160000 the aerator having a vertical axis 1
C02F0003180000 the aerator having a horizontal axis 1
C02F0003200000 using diffusers 1
C02F0003220000 using circulation pipes 1
C02F0003240000 using free-fall aeration or spraying 1
C02F0003260000 using pure oxygen or oxygen-rich gas 1
C02F0003280000 Anaerobic digestion processes 1
C02F0003300000 Aerobic and anaerobic processes 1
C02F0003320000 characterised by the animals or plants used, e.g. algae 1
C02F0003340000 characterised by the micro-organisms used 1
C02F0005000000 Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (softening using ion-exchange C02F0001420000) 1
C02F0005020000 Softening water by precipitation of the hardness 1