No. 82-2139. Argued June 6, 1983. Decided July 26, 1983. Norman R. Buchsbaum, Baltimore, Md. (Douglas E. Koteen, Baltimore, Md., Roger S. Kaplan, New York City, on brief), for petitioner. William M. Bernstein, Washington, D.C. (W. Christian Schumann, William A. Lubbers, Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Robert E. Allen, Associate Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel, Washington, D.C., on brief), for respondent. Petition for review from the National Labor