CPC Subgroup
C30B 29/18 Quartz
Full Title
Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape > Inorganic compounds or compositions > Oxides > Quartz
C30B 29/18 Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape > Inorganic compounds or compositions > Oxides > Quartz