ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
E21C0041180000 for brown or hard coal 1
E21C0041200000 for rock salt or potash salt 1
E21C0041220000 for ores, e.g. mining placers 1
E21C0041240000 for oil-bearing deposits 1
E21C0041260000 Methods of surface mining (machines for obtaining, or the removal of, materials in open-pit mines E21C0047000000); Layouts therefor 1
E21C0041280000 for brown or hard coal 1
E21C0041300000 for ores, e.g. mining placers 1
E21C0041320000 Reclamation of surface-mined areas (machines or methods for treating or working soil for agricultural purposes A01B0077000000, A01B0079000000; machines for back-filling E02F0005220000) 1
E21C0045000000 Methods of hydraulic mining; Hydraulic monitors (E21C0025600000 takes precedence);; 1
E21C0045020000 Means for generating pulsating fluid jets 1
E21C0045040000 by use of highly pressurised liquid 1
E21C0045060000 by use of compressed gases 1
E21C0045080000 Automatic or remote control of hydraulic monitors 1
E21C0047000000 Machines for obtaining, or the removal of, materials in open-pit mines (obtaining peat E21C0049000000) 1
E21C0047020000 for coal, brown coal, or the like (dredgers or soil-shifting machines in general E02F) 1