DIFF Subgroup Additional Only
C04B 2237/12 Metallic interlayers
Full Title
Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating > Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating > Metallic interlayers
Of 6 combined children, 0 exist in both systems.
6 codes are CPC-only extensions.
Note: 6 CPC extensions are marked as secondary classification only.