No. 17961. Argued February 19, 1964. Decided April 16, 1964. Certiorari Denied October 12, 1964. See 85 S.Ct. 73. Mr. Martin Raphael, New York City, of the bar of the Court of Appeals of New York, pro hac vice, by special leave of court, for petitioners. Messrs. David E. Feller and Michael H. Gottesman, Washington, D.C., also entered appearances for petitioners. Mrs. Nancy M. Sherman, Atty., N.L.R.B., with whom Messrs. Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel