ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F24H0001440000 with combinations of two or more of the types covered by groups ; F24H0001240000-F24H0001400000 1
F24H0001460000 Water heaters having plural combustion chambers 1
F24H0001480000 Water heaters for central heating incorporating heaters for domestic water 1
F24H0001500000 incorporating domestic water tanks 1
F24H0001520000 incorporating heat exchangers for domestic water (F24H0001500000 takes precedence);; 1
F24H0003000000 Air heaters having heat generating means (F24H0007000000, F24H0008000000 take precedence;details F24H0009000000; domestic stoves or ranges with additional provisions for convection heating of air F24B, F24C) 1
F24H0003020000 with forced circulation (F24H0003120000 takes precedence);; 1
F24H0003040000 the air being in direct contact with the heating medium, e.g. electric heating element 1
F24H0003060000 the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators 1
F24H0003080000 by tubes 1
F24H0003100000 by plates 1
F24H0003120000 with additional heating arrangements 1
F24H0004000000 Fluid heaters using heat pumps 1
F24H0004020000 Liquid heaters 1
F24H0004040000 Storage heaters 1