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PCE
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DIFF Subgroup
F26B 21/50

Ducting arrangements from the source of air or other gases to the materials or objects being dried

Introduced: January 2026

Full Title

Arrangements for supplying or controlling air or other gases for drying solid materials or objects > Ducting arrangements from the source of air or other gases to the materials or objects being dried

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

IPC defines codes here since 2026.

Child Classifications

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  • F26B 21/55 Outlets for directing or distributing the air or other gases since 2026 IPC+CPC Available in IPC and CPC