No. 28393. July 15, 1970. Marcel Mallet-Prevost, Asst. Gen. Counsel, Ira M. Goldberg, Atty., N.L.R.B., Washington, D.C., Clifford Potter, Director, Region 23, N.L.R.B., Houston, Tex., for petitioner. Allen P. Schoolfield, Jr., Hugh M. Smith, Dallas, Tex., Schoolfield Smith, Dallas, Tex., for respondents. Before GODBOLD, SIMPSON and MORGAN, Circuit Judges. LEWIS R. MORGAN, Circuit Judge. This is an appeal by the National Labor Relations Board (hereinafter Board) pursuant to Section 10(e) of the National