No. 71-1689. June 20, 1973. Bernard M. Baum, Daniel S. Shulman, Robert H. Baum, Chicago, Ill., and J. Albert Woll, Washington, D.C., were on the brief for petitioner. Peter G. Nash, Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Washington, D.C., at the time the brief was filed, Charles N. Steele, and Alan D. Cirker, Washington, D.C., Attys., N.L.R.B., were on the brief for respondent. Petition for review from the National Labor Relations Board. Before McGOWAN, Circuit Judge, and WINTER