Class 019
Non-Metallic Building Material Products
Building and construction materials and elements, not of metal, namely, rigid plastic channels made of trays, troughs and covers used for cable protection management systems for large infrastructure; non-metallic not electrified rigid channels for cables, namely trays, troughs and covers for cables; non-metallic ballast retention boards; non-metallic ballast retention systems; non-metallic ballast board systems; non-metallic rigid pipes for building, namely, plastic pipes and plastic conduit pipes; walkways (non-metallic) for cables, namely, interconnecting panels, boards and covers of plastic used for cable protection management systems for large infrastructure; ducts (non-metallic) for holding and spacing electricity conduits; ducting installations (non-electric, non-metallic), namely, plastic ducts creating a passageway for cables
