ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F23L0005000000 Blast-producing apparatus before the fire 1
F23L0005020000 Arrangements of fans or blowers 1
F23L0005040000 by induction of air for combustion, e.g. using steam jet 1
F23L0007000000 Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam 1
F23L0009000000 Passages or apertures for delivering secondary air for completing combustion of fuel (baffles or deflectors in air inlets F23M0009020000) 1
F23L0009020000 by discharging the air above the fire 1
F23L0009040000 by discharging the air beyond the fire, i.e. nearer the smoke outlet 1
F23L0009060000 by discharging the air into the fire bed 1
F23L0011000000 Arrangements of valves or dampers after the fire 1
F23L0011020000 for reducing draught by admission of air to flues 1
F23L0013000000 Construction of valves or dampers for controlling air supply or draught 1
F23L0013020000 pivoted about a single axis but having no other movement (formed as linked slats each pivoted about an axis F23L0013080000) 1
F23L0013040000 with axis perpendicular to face 1
F23L0013060000 slidable only 1
F23L0013080000 operating as a roller blind; operating as a venetian blind 1