DIFF Subgroup
C03C 17/06 with metals (C03C17/34, C03C17/44 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: with metals
CPC: with metals (C03C17/34, C03C17/44 take precedence)
Full Title
Full titles differ between systems:
IPC:
Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating > with metals
CPC:
Surface treatment of glass, not in the form of fibres or filaments, by coating (optical coatings of optical elements G02B1/10) > with metals (C03C17/34, C03C17/44 take precedence)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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