DIFF Main Group
C03C 21/00 Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
Introduced: September 1968
Title
Titles differ between systems:
IPC: Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
CPC: Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
Full Title
Full titles differ between systems:
IPC:
Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
CPC:
Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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