ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C22B0025080000 Refining 1
C22B0026000000 Obtaining alkali, alkaline earth metals or magnesium 1
C22B0026100000 Obtaining alkali metals 1
C22B0026120000 Obtaining lithium 1
C22B0026200000 Obtaining alkaline earth metals or magnesium 1
C22B0026220000 Obtaining magnesium 1
C22B0030000000 Obtaining antimony, arsenic or bismuth 1
C22B0030020000 Obtaining antimony 1
C22B0030040000 Obtaining arsenic 1
C22B0030060000 Obtaining bismuth 1
C22B0034000000 Obtaining refractory metals 1
C22B0034100000 Obtaining titanium, zirconium or hafnium 1
C22B0034120000 Obtaining titanium 1
C22B0034140000 Obtaining zirconium or hafnium 1
C22B0034200000 Obtaining niobium, tantalum or vanadium 1