DIFF Subgroup
C22C 1/08 Alloys with open or closed pores
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Making non-ferrous alloys > Alloys with open or closed pores
CPC:
Making non-ferrous alloys (by electrothermic methods C22B4/00; by electrolysis C25C1/24, C25C3/36) > Alloys with open or closed pores
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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