E04B 9/008 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

E04B 9/008

Full Title

Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation (ceilings used as forms for making floors E04B5/00; coverings or linings for ceilings E04F13/00)

This code exists only in CPC.

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