No. 852, Docket 77-4182. Argued April 26, 1978. Decided July 31, 1978. Howard E. Perlstein, 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, N.L.R.B., Washington, D.C.), for petitioner. Saul G. Kramer, New York City (Proskauer, Rose, Goetz Mendelsohn, New York City, Peter G. Samuels, Gerald A. Bodner, New York City, Labor Counsel to respondent), for respondent. Ronald H