ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
B21C0037180000 conical tubes 1
B21C0037200000 Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies 1
B21C0037220000 Making finned or ribbed tubes by fixing strip or like material to tubes (making heat exchangers B21D0053020000) 1
B21C0037240000 annularly-ribbed tubes 1
B21C0037260000 helically-ribbed tubes 1
B21C0037280000 Making tube fittings for connecting pipes, e.g. U-pieces 1
B21C0037290000 Making branched pieces, e.g. T-pieces 1
B21C0037300000 Finishing tubes, e.g. sizing, burnishing 1
B21C0043000000 Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass 1
B21C0043020000 combined with or specially adapted for use in connection with drawing or winding machines or apparatus 1
B21C0043040000 Devices for de-scaling wire or like flexible work 1
B21C0045000000 Auxiliary operations used in connection with metal working without essentially removing material 1
B21C0045000000 Separating mandrels from work or ; vice versa 1
B21C0047000000 Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only (coiling wire into particular forms B21F0003000000; hot coilers in connection with heat-treatment apparatus C21D0009680000) 1
B21C0047020000 Winding-up or coiling 1