No. 20342. December 11, 1970. Stephen H. Naiman, N.L.R.B., Washington, D.C. (Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Warren M. Davison, Deputy Asst. Gen. Counsel, Judith P. Wilkenfield, Atty., N.L.R.B., Washington, D.C., on the brief), for petitioner. Warren D. Wolfe, Toledo, Ohio (Bugbee Conkle, Toledo, Ohio, Andrew Douglas and Eugene Winchester, Winchester, Douglas Aubry, Toledo, Ohio, on the brief), for respondent. Before