No. 162, Docket 27535. Argued January 8, 1963. Decided January 8, 1963. Leonard Rovins, of Fellner Rovins, New York City (Kelberg, Dorff Lerner, Alan D. Gallay, and Paul Kelberg, New York City, on the brief), for petitioners. Melvin Pollack, Atty., National Labor Relations Bd., Washington, D.C. (Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Paul J. Spielberg, Atty., National Labor Relations Bd., Washington, D.C., on the brief)