ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F27B0001210000 Arrangement of devices for discharging 1
F27B0001220000 Arrangements of heat-exchange apparatus (heat-exchangers in general F28C, F28D) 1
F27B0001240000 Cooling arrangements 1
F27B0001260000 Arrangements of controlling devices 1
F27B0001280000 Arrangements of monitoring devices, of indicators, of alarm devices 1
F27B0003000000 Hearth-type furnaces, e.g. of reverberatory type (F27B0009000000-F27B0015000000, F27B0021000000 take precedence);;Electric arc furnaces 1
F27B0003020000 of single-chamber fixed-hearth type 1
F27B0003040000 of multiple-hearth type; of multiple-chamber type; Combinations of hearth-type furnaces 1
F27B0003060000 with movable working chambers or hearths, e.g. tiltable 1
F27B0003080000 heated electrically, e.g. electric arc furnaces, with or without any other source of heat 1
F27B0003100000 Details, accessories, or equipment, e.g. dust-collectors, peculiar to hearth-type furnaces 1
F27B0003120000 Working chambers or casings; Supports therefor 1
F27B0003140000 Arrangements of linings 1
F27B0003160000 Walls; Roofs 1
F27B0003180000 Arrangement of devices for charging 1