No. 7143. February 14, 1969. Joseph A. Yablonski, Atty., with whom Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, and Glen M. Bendixsen, Attys., Washington, D.C., were on brief, for petitioner. Norman S. Reef, with whom Herbert H. Bennett, Portland, Me., was on brief, for respondents. Before ALDRICH, Chief Judge, McENTEE and COFFIN, Circuit Judges. McENTEE, Circuit Judge. This is a petition for enforcement of a Labor Board order. The order is based