No. 286-70. July 23, 1971. Rehearing Denied September 17, 1971. Michael Levin, Chicago, Ill., (Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Elliott Moore, Atty., National Labor Relations Board, on the brief), for petitioner. William G. Haynes, Topeka, Kan., Eidson, Lewis, Porter Haynes, Topeka, Kan., on the brief, for respondent. Before BREITENSTEIN and HILL, Circuit Judges, and LANGLEY, District Judge. BREITENSTEIN, Circuit