No. 71-1511. Argued April 27, 1972. Decided September 21, 1972. Certiorari Denied March 26, 1973. Jerome B. Kauff, New York City, for petitioner. Marcel Mallet-Prevost, Asst. Gen. Counsel, Joseph E. Mayer, Atty., NLRB, Washington, D.C., for respondent. Petition for review from the National Labor Relations Board. Before PELL and STEVENS, Circuit Judges, and LARAMORE, Senior Judge. Senior Judge Don N. Laramore of the United States Court of Claims is sitting by designation. PER CURIAM. The National