DIFF Subgroup
E04D 5/06 by making use of plastics
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Roof covering by making use of flexible material, e.g. supplied in roll form > by making use of plastics
CPC:
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) > by making use of plastics
No child classifications to compare. This is a leaf node in both IPC and CPC.