No. 20893. June 17, 1964. Rehearing Denied July 30, 1964. Marcel Mallet-Prevost, Asst. Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, N.L.R.B., Washington, D.C., for petitioner. M.L. Cook, Houston, Tex., for respondent. Before HUTCHESON, PRETTYMAN and JONES, Circuit Judges. Senior Circuit Judge of the District of Columbia Circuit, sitting by designation. PRETTYMAN, Senior Circuit Judge: This is a petition filed by the National Labor Relations Board for enforcement of an order which held the