DIFF Subgroup
C03C 17/253 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) > Oxides (C03C17/02 takes precedence) > by deposition from the liquid phase