No. 531-69. August 18, 1970. Charles W. Medley, Kansas City, Mo., for petitioner. Joseph C. Thackery, N.L.R.B. (Arnold Ordman, Dominick L. Manoli, Marcel Mallet-Prevost and Frank H. Itkin, N.L.R.B., with him on the brief), for respondent. Before PICKETT, HILL and HICKEY, Circuit Judges. PICKETT, Circuit Judge. Meyer Dairy Distributors Association, a group of milk distributors, petitioned the National Labor Relations Board, in accordance with the provisions of Section 9(c) of the National Labor Relations