DIFF Subgroup
C30B 33/10 in solutions or melts
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
After-treatment of single crystals or homogeneous polycrystalline material with defined structure > Etching > in solutions or melts
CPC:
After-treatment of single crystals or homogeneous polycrystalline material with defined structure (C30B31/00 takes precedence) > Etching > in solutions or melts
No child classifications to compare. This is a leaf node in both IPC and CPC.