No. 79-7484. Argued and Submitted September 9, 1980. Decided October 16, 1980. Rehearing Denied December 22, 1980. Jerrold J. Wohlgemuth, Washington, D.C., for petitioner. James P. Watson, Los Angeles, Cal. (on brief), for respondent. Victor J. Van Bourg, Van Bourg, Allen, Weinberg Roger, San Francisco, Cal., for intervenor. On Application for Enforcement of an Order of the National Labor Relations Board. Before WRIGHT and POOLE, Circuit Judges, and BROWN, Senior District Judge. Of the District of