CPC Subgroup
C03C 17/22 with other inorganic material (C03C17/34, C03C17/44 take precedence)
Full Title
Surface treatment of glass, not in the form of fibres or filaments, by coating (optical coatings of optical elements G02B1/10) > with other inorganic material (C03C17/34, C03C17/44 take precedence)
2 direct subcodes
Child Classifications
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- C03C 17/23 Oxides (C03C17/02 takes precedence)