CPC Subgroup
E04D 1/2928 Full Title
Roof covering by making use of tiles, slates, shingles, or other small roofing elements (roofing supports E04D12/00)
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E04D 1/2928 Roof covering by making use of tiles, slates, shingles, or other small roofing elements (roofing supports E04D12/00)