ClassID:

130626

E04D3/354 - CPC Classification

Classification description:

Roof covering by making use of flat or curved slabs or stiff sheets; Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material more than one of the layers being composed of insulating material

Recent Application in this class: