73194059
Nov 20, 1978
Jan 26, 1982
Building and Construction Materials-Namely, Coated and Uncoated Corrugated Metal Pipe, Sectional Steel Plate, Doors and Door Frames, Windows and Window Frames, Prestressed Roof and Bridge Trusses
Metal GoodsCement Pipe and Head Gates, Cast Building Blocks, Precast Junction Boxes and Septic Tanks
Nonmetallic Building Materials