Nos. 716, 717, Dockets 72-2187, 72-2317. Argued May 8, 1973. Decided May 29, 1973. Wendell Davis, Jr., New York City (McConnell, Scheuermann and Davis, New York City, on the brief), for petitioner. Stanley J. Brown, Atty., NLRB, Washington, D.C. (Peter G. Nash, Gen. Counsel, John S. Irving, Deputy Gen. Counsel, Patrick Hardin, Associate Gen. Counsel, Elliott Moore, Acting Asst. Gen. Counsel, and William F. Wachter, Atty., Washington, D.C., on the brief), for respondent. Petition for review from the