Nos. 332, 333, Dockets 34917, 35073. Argued January 5, 1971. Decided March 30, 1971. Martin D. Heyert, New York City (Kelley, Drye, Warren, Clark, Carr Ellis, Theodore R. Iserman, Frederick T. Shea and Eugene T. D'Ablemont, New York City, on the brief), for petitioner. Warren M. Davison, Deputy Asst. Gen. Counsel, N.L.R.B. (Arnold Ordman, General Counsel, Dominick L. Manoli, Associate General Counsel, Marcel Mallet-Prevost, Asst. General Counsel and Daniel M. Katz, Atty., on the brief), for respondent