IPC 6 English version  Class C03
SECTION C– CHEMISTRY; METALLURGY

C 03

GLASS; MINERAL OR SLAG WOOL

C 03 B

MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C 03 C

CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
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