E04D 1/025 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

E04D 1/025

Full Title

Roof covering by making use of tiles, slates, shingles, or other small roofing elements (roofing supports E04D12/00) > Grooved or vaulted roofing elements (E04D1/28, E04D1/30 take precedence)

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