No. 82-2580. September 24, 1984. William Wachter, Washington, D.C. (Andrew F. Tranovich and Daniel R. Pollitt, Attys.; William A. Lubbers, Gen. Counsel; John E. Higgins, Jr., Deputy Gen. Counsel; Robert E. Allen, Associate Gen. Counsel; and Elliott Moore, Deputy Associate Gen. Counsel, N.L.R.B., Washington, D.C., with him on the brief), for petitioner. David E. Strecker, Tulsa, Okl. (James L. Kincaid and Katie J. Colopy, Tulsa, Okl., of counsel: Conner, Winters, Ballaine, Barry McGowen, Tulsa, Okl