No. 17045. July 24, 1969. George Gregory Mantho, Detroit, Mich., for petitioner. Marcel Mallet-Prevost, N.L.R.B., Washington, D.C., for respondent. Before KILEY and SWYGERT, Circuit Judges, and HOFFMAN, District Judge. Judge Hoffman is sitting by designation from the United States District Court for the Northern District of Illinois. JULIUS J. HOFFMAN, District Judge. The employer, B. P. Motor Express, Inc., has petitioned for review of an order of the National Labor Relations Board, and the Board