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PCE
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DIFF Main Group
C30B 31/00

Diffusion or doping processes for single crystals or homogeneous polycrystalline material with defined structure; Apparatus therefor

Introduced: January 1980

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

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  • C30B 31/02 by contacting with diffusion materials in the solid state since 1980 IPC+CPC Available in IPC and CPC