NATIONAL LABOR RELATIONS BOARD, PETITIONER, v. MAINE CATERERS, INC., ET AL., RESPONDENTS. BROTHERHOOD OF INDUSTRIAL CATERERS, INTERVENOR. No. 80-1778.United States Court of Appeals, First Circuit.Argued June 1, 1981. Decided July 16, 1981. Page 132 James Y. Callear, Atty., with whom William A. Lubbers, Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Robert E. Allen, […]