ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C02F0001600000 Silicon compounds 1
C02F0001620000 Heavy metal compounds 1
C02F0001640000 of iron or manganese 1
C02F0001660000 by neutralisation; pH adjustment (for degassing C02F0001200000; using ion-exchange C02F0001420000; for flocculation or precipitation of suspended impurities C02F0001520000; for removing dissolved compounds C02F0001580000) 1
C02F0001680000 by addition of specified substances, e.g. trace elements, for ameliorating potable water 1
C02F0001700000 by reduction 1
C02F0001720000 by oxidation 1
C02F0001740000 with air (aeration of stretches of water C02F0007000000) 1
C02F0001760000 with halogens or compounds of halogens 1
C02F0001780000 with ozone 1
C02F0003000000 Biological treatment of water, waste water, or sewage 1
C02F0003020000 Aerobic processes 1
C02F0003040000 using trickle filters 1
C02F0003060000 using submerged filters 1
C02F0003080000 using moving contact bodies 1