DIFF Subgroup Additional Only
H05K 2201/20 Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
Full Title
Indexing scheme relating to printed circuits covered by H05K1/00 > Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
Of 10 combined children, 0 exist in both systems.
10 codes are CPC-only extensions.
Note: 10 CPC extensions are marked as secondary classification only.