Patent classifications
C
CHEMISTRY; METALLURGY
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C03
GLASS; MINERAL OR SLAG WOOL
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C03C
CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
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8/00
Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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C03C8/14
Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
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C03C8/18
containing free metals
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