No. 80-7459. September 14, 1981. Arthur Mendelson, Littler, Mendelson, Fastiff Tichey, San Francisco, Cal., for petitioner. Andrew F. Tranovich, Washington, D.C., for respondent. On Petition For Review Of An Order Of The National Labor Relations Board. Before MARKEY, Chief Judge, United States Court of Customs and Patent Appeals, WALLACE and SCHROEDER, Circuit Judges. The Honorable Howard T. Markey, Chief Judge, United States Court of Customs and Patent Appeals, sitting by designation. MARKEY, Chief