No. 77-1613. July 12, 1978. Rehearing Denied September 5, 1978. Ralph M. Segura, Walnut Creek, Cal., for petitioner. Paul J. Spielberg (argued), Elliott Moore, Washington, D.C., for respondent. Petition to Review Final Order of the National Labor Relations Board and Cross-Application for Enforcement of an Order of the National Labor Relations Board. Before SNEED and TANG, Circuit Judges, and ORRICK, District Judge. Honorable William H. Orrick, United States District Judge for the Northern District