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PCE
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DIFF Subgroup
F26B 21/30

Controlling, e.g. regulating, parameters of gas supply

Introduced: January 2026

Full Title

Arrangements for supplying or controlling air or other gases for drying solid materials or objects > Controlling, e.g. regulating, parameters of gas supply

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

IPC defines codes here since 2026.

Child Classifications

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  • F26B 21/35 Temperature; Pressure since 2026 IPC+CPC Available in IPC and CPC
  • F26B 21/37 Velocity of flow; Quantity of flow since 2026 IPC+CPC Available in IPC and CPC