73244728
Dec 31, 1979
Nov 24, 1981
Wall and Ceiling Materials Comprising Liquid Latex in an Aqueous Dispersion Combined with Dehydrating Cements, Mineral Aggregates, Alkaline-Resistant Reinforcing Glass Fiber, Silica Aggregates and Pigments for Use in Constructing Athletic Walls and Ceilings
Nonmetallic Building Materials