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PCE
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DIFF Subgroup
C30B 28/12

directly from the gas state

Introduced: January 1990

Full Title

Production of homogeneous polycrystalline material with defined structure > directly from the gas state

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1990.

Child Classifications

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  • C30B 28/14 by chemical reaction of reactive gases since 1990 IPC+CPC Available in IPC and CPC