ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C25 ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR 1
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR (anodic or cathodic protection C23F0013000000; single-crystal growth C30B) 1
C25B0001000000 Electrolytic production of inorganic compounds or non-metals 1
C25B0001020000 of hydrogen or oxygen 1
C25B0001040000 by electrolysis of water 1
C25B0001060000 in cells with flat or plate-like electrodes 1
C25B0001080000 of the filter-press type 1
C25B0001100000 in diaphragm cells 1
C25B0001120000 in pressure cells 1
C25B0001130000 of ozone 1
C25B0001140000 of alkali metal compounds 1
C25B0001160000 Hydroxides 1
C25B0001180000 of alkaline earth metal compounds or magnesium compounds 1
C25B0001200000 Hydroxides 1
C25B0001210000 of manganese oxides 1