ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
B21D0055000000 Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass 1
B21F WORKING OR PROCESSING OF METAL WIRE (rolling of metal B21B; by drawing, auxiliary operations used in connection with metal-working without essentially removing material B21C; bundling articles B65B0013000000) 1
B21F0001000000 Wire working characterised by operations performed 1
B21F0001000000 Bending wire other than coiling; Straightening wire 1
B21F0001020000 Straightening 1
B21F0001040000 Undulating 1
B21F0001060000 Bending wire-eyes 1
B21F0003000000 Coiling wire into particular forms 1
B21F0003020000 helically 1
B21F0003027000 with extended ends formed in a special shape, e.g. for clothes-pegs 1
B21F0003040000 externally on a mandrel or the like 1
B21F0003060000 internally on a hollow form 1
B21F0003080000 to flat spiral 1
B21F0003100000 to spirals other than flat, e.g. conical 1
B21F0003120000 of interconnected helical springs 1