NATIONAL STABILIZATION AGREEMENT OF THE SHEET METAL INDUSTRY TRUST FUND, ET AL., v. COMMERCIAL ROOFING SHEET METAL, ET AL., APPELLANTS. Nos. 78-1761, 78-2071.United States Court of Appeals, District of Columbia Circuit.Argued December 12, 1980. Decided May 4, 1981. Page 1219 William H. DuRoss, III, Washington, D.C., for appellants. Gerard C. Smetana and Burt A. Braverman, […]