DIFF Main Group
C22C 121/00 Pretreated fibres or filaments
Introduced: January 2000
Of 1 combined children, 0 exist in both systems.
1 codes exist only in IPC.
IPC defines codes here since 2000.
C22C 121/00 Introduced: January 2000
Of 1 combined children, 0 exist in both systems.
1 codes exist only in IPC.
IPC defines codes here since 2000.