
    No. 317.
    International Association of Machinists, Local Lodge No. 311, AFL-CIO, et al. v. National Labor Relations Board.
    
      Plato E. Papps and Bernard Dunau for petitioners. Solicitor General Rankin, Stuart Rothman, Thomas J. McDermott, Dominick-L. Manoli and Norton J. Come for respondent.
   United States Court of Appeals for the District of Columbia Circuit. Certiorari denied.  