ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C22B0011020000 by dry processes 1
C22B0011060000 Chloridising 1
C22B0011080000 by cyaniding 1
C22B0011100000 by amalgamating 1
C22B0011120000 Apparatus therefor 1
C22B0013000000 Obtaining lead 1
C22B0013020000 by dry processes 1
C22B0013060000 Refining 1
C22B0013080000 Separating metals from lead by precipitating, e.g. by Parkes process 1
C22B0013100000 Separating metals from lead by crystallising, e.g. by Pattison process 1
C22B0015000000 Obtaining copper 1
C22B0015020000 in blast furnaces 1
C22B0015040000 in reverberatory furnaces 1
C22B0015060000 in converters 1
C22B0015140000 Refining 1