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PCE
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DIFF Subgroup
C30B 29/16

Oxides

Introduced: January 1980

Full Title

Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape > Inorganic compounds or compositions > Oxides

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

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  • C30B 29/18 Quartz since 1980 IPC+CPC Available in IPC and CPC
  • C30B 29/20 Aluminium oxides since 1980 IPC+CPC Available in IPC and CPC