ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F23D0014480000 Nozzles 1
F23D0014500000 Cleaning devices therefor 1
F23D0014520000 for torches; for blow-pipes 1
F23D0014540000 for cutting or welding metal 1
F23D0014560000 for spreading the flame over an area, e.g. for desurfacing of solid material, for surface hardening or for heating workpieces 1
F23D0014580000 characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration 1
F23D0014600000 Devices for simultaneous control of gas and combustion air 1
F23D0014620000 Mixing devices; Mixing tubes 1
F23D0014640000 with injectors 1
F23D0014660000 Preheating the combustion air or gas 1
F23D0014680000 Treating the combustion air or gas, e.g. by filtering or moistening 1
F23D0014700000 Baffles or like flow-disturbing devices 1
F23D0014720000 Safety devices, e.g. operative in case of failure of gas supply 1
F23D0014740000 Preventing flame lift-off 1
F23D0014760000 Protecting flame and burner parts 1