ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C22B0001245000 with carbonaceous material for the production of coked agglomerates 1
C22B0001248000 of metal scrap or alloys 1
C22B0001260000 Cooling of roasted, sintered, or agglomerated ores 1
C22B0003000000 Extraction of metal compounds from ores or concentrates by wet processes 1
C22B0003020000 Apparatus therefor 1
C22B0003040000 by leaching (C22B0003180000 takes precedence);; 1
C22B0003060000 in inorganic acid solutions 1
C22B0003080000 Sulfuric acid 1
C22B0003100000 Hydrochloric acid 1
C22B0003120000 in inorganic alkaline solutions 1
C22B0003140000 containing ammonia or ammonium salts 1
C22B0003160000 in organic solutions 1
C22B0003180000 with the aid of micro-organisms or enzymes, e.g. bacteria or algae 1
C22B0003200000 Treatment or purification of solutions, e.g. obtained by leaching (C22B0003180000 takes precedence);; 1
C22B0003220000 by physical processes, e.g. by filtration, by magnetic means (C22B0003260000 takes precedence);; 1