ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F23L0013100000 having a compound movement involving both sliding and pivoting 1
F23L0015000000 Heating of air supplied for combustion 1
F23L0015020000 Arrangements of regenerators 1
F23L0015040000 Arrangements of recuperators 1
F23L0017000000 Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues 1
F23L0017020000 Tops for chimneys or ventilating shafts; Terminals for flues 1
F23L0017040000 Balanced-flue arrangements, i.e. devices which combine air inlet to combustion unit with smoke outlet 1
F23L0017060000 branched; T-headed 1
F23L0017080000 with coaxial cones or louvres 1
F23L0017100000 wherein the top moves as a whole 1
F23L0017120000 Devices for fastening the top or terminal to chimney, shaft, or flue 1
F23L0017140000 Draining devices 1
F23L0017160000 Induction apparatus, e.g. steam jet, acting on combustion products beyond the fire 1
F23L0099000000 Subject matter not provided for in other groups of this subclass 1
F23M CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR 1