No. 252, Docket 25932. Argued March 31, 1959. Decided May 2, 1960. Stuart Rothman, General Counsel, Dominick Manoli, Associate General Counsel, Thomas J. McDermott, Associate General Counsel, Marcel Mallet-Prevost, Asst. General Counsel, Duane B. Beeson, Marion L. Griffin, Attorneys, National Labor Relations Board, Washington, D.C., for petitioner. Cooper, Ostrin De Varco, New York City, Herman E. Cooper, H. Howard Ostrin, Zevie B. Schizer, New York City, of counsel, for respondent, International