DIFF Subgroup
C03C 15/02 for making a smooth surface
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Surface treatment of glass, not in the form of fibres or filaments, by etching > for making a smooth surface
CPC:
Surface treatment of glass, not in the form of fibres or filaments, by etching (etching or surface-brightening compositions, in general C09K13/00) > for making a smooth surface
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open