No. 16636. April 3, 1961. Rehearing Denied May 19, 1961. Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, for N.L.R.B., Duane B. Beeson and Herman I. Branse, Attys. for N.L.R.B., Washington, D.C., for petitioner. John Paul Jennings, of Roos, Jennings Haid and Richard Ernst, San Francisco, Cal., for respondents. Before HAMLEY, MERRILL and KOELSCH, Circuit Judges. KOELSCH, Circuit Judge. The National Labor Relations Board has adjudged