ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C23F0001040000 Chemical milling 1
C23F0001060000 Sharpening files 1
C23F0001080000 Apparatus, e.g. for photomechanical printing surfaces 1
C23F0001100000 Etching compositions (C23F0001440000 takes precedence);; 1
C23F0001120000 Gaseous compositions 1
C23F0001140000 Aqueous compositions 1
C23F0001160000 Acidic compositions (C23F0001420000 takes precedence);; 1
C23F0001180000 for etching copper or alloys thereof 1
C23F0001200000 for etching aluminium or alloys thereof 1
C23F0001220000 for etching magnesium or alloys thereof 1
C23F0001240000 for etching silicon or germanium 1
C23F0001260000 for etching refractory metals 1
C23F0001280000 for etching iron group metals 1
C23F0001300000 for etching other metallic material 1
C23F0001320000 Alkaline compositions (C23F0001420000 takes precedence);; 1