No. 17412. February 12, 1970. Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Elliott Moore, Corinna Lothar Metcalf, Attys., National Labor Relations Board, Washington, D.C., for petitioner. Herman J. De Koven, Richard Lee Stavins, Dorfman, De Koven Cohen, Chicago, Ill., for respondent. Before KNOCH, Senior Circuit Judge, and CUMMINGS and KERNER, Circuit Judges. KNOCH, Senior Circuit Judge. Petitioner, the National Labor Relations