ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C01B0017640000 Thiosulfates; Dithionites; Polythionates 1
C01B0017660000 Dithionites 1
C01B0017690000 Sulfur trioxide; Sulfuric acid 1
C01B0017700000 Stabilisation of gamma-form sulfur trioxide 1
C01B0017740000 Preparation 1
C01B0017760000 by contact processes 1
C01B0017765000 Multi-stage SO; 3-conversion 1
C01B0017770000 Fluidised-bed processes 1
C01B0017775000 Liquid phase contacting processes or wet catalysis processes 1
C01B0017780000 characterised by the catalyst used 1
C01B0017790000 containing vanadium 1
C01B0017800000 Apparatus 1
C01B0017820000 of sulfuric acid using a nitrogen oxide process 1
C01B0017840000 Chamber process 1
C01B0017860000 Tower process 1