No. 505, Docket 77-4149. Argued April 10, 1978. Decided June 30, 1978. Standau E. Weinbrecht, N.L.R.B., Washington, D.C. (John S. Irving, Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Carl L. Taylor, Associate Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel, and Linda Dreeben, N.L.R.B., Washington, D.C., of counsel), for petitioner. Stanley Israel, New York City (Bluestone, Kliegman Israel, New York City, of counsel), for respondent. Petition for review from the National Labor