ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C02F0005040000 using phosphates (C02F0005060000 takes precedence);; 1
C02F0005060000 using calcium compounds 1
C02F0005080000 Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents 1
C02F0005100000 using organic substances 1
C02F0005120000 containing nitrogen (C02F0005140000 takes precedence);; 1
C02F0005140000 containing phosphorus 1
C02F0007000000 Aeration of stretches of water 1
C02F0009000000 Multistep treatment of water, waste water or sewage 1
C02F0009020000 involving a separation step 1
C02F0009040000 at least one step being a chemical treatment 1
C02F0009060000 Electrochemical treatment 1
C02F0009080000 at least one step being a physical treatment 1
C02F0009100000 Thermal treatment 1
C02F0009120000 Irradiation or treatment with electric or magnetic fields 1
C02F0009140000 at least one step being a biological treatment 1