No. 71-1176. May 16, 1972. Stephen J. Solomon, Washington, D.C. (Eugene G. Goslee, Acting General Counsel, Dominick L. Manoli, Associate General Counsel, Marcel Mallet-Prevost, Asst. General Counsel, Charles N. Steele and Steven R. Semler, Attorneys, N.L.R.B., on the brief), for petitioner. Edward E. Soule, Oklahoma City, Okl. (John C. Harrington, Jr., Oklahoma City, Okl., on the brief), for respondent. Before MURRAH, SETH and BARRETT, Circuit Judges. SETH, Circuit Judge. This case is before the