73632837
Nov 26, 1986
ACOUSTICAL TILE, WALLBOARD, HARDBOARD, AND PLYWOOD, OF WHICH THE MAJOR COMPONENT IS WOOD FIBER, FOR USE AS FACING FOR WALLS, DOORS, PARTITIONS, CEILINGS, CABINETS, COMPARTMENTS, OR OTHER ARCHITECTURAL, OR COMMERCIAL PRODUCTS USED IN BUILDING OR CONSTRUCTION WORK
Nonmetallic Building Materials