No. 78-1907. May 2, 1979. Anthony T. Oliver, Jr. (argued), Parker, Milliken, Clark O'Hara, Los Angeles, Cal., for petitioners. Elliott Moore, Michael Nicholson (argued), N.L.R.B., Washington, D.C., for respondent. On Petition to Review a Decision and Order of the National Labor Relations Board. Before WRIGHT and WALLACE, Circuit Judges, and TEMPLAR, Senior District Judge. Of the District of Kansas. EUGENE A. WRIGHT, Circuit Judge: Los Angeles Marine Hardware Co. (LA Marine) and California Marine