CPC Subgroup
E04D 5/14 Fastening means therefor
Full Title
Roof covering by making use of flexible material, e.g. supplied in roll form (using stiff sheets E04D3/00; gravelling of flat roofs E04D7/00 ; built-up roofs E04D11/02) > Fastening means therefor
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open