WOOD RIBB'S

Packing, sound vibration stopping and insulating materials; sound insulation materials; acoustic insulation panels, namely, floor, wall and ceiling panels for improving acoustics

Building materials, not of metal, namely, acoustic panels of wood for floors, acoustic panels of wood for walls and acoustic panels of wood for ceilings; Transportable constructions, not of metal, namely, acoustic panels of wood for floors, acoustic panels of wood for walls and acoustic panels of wood for ceilings