
    No. 112.
    Difco Laboratories, Inc. v. National Labor Relations Board.
    
      Leonard A. Keller for petitioner.
    
      Solicitor General Griswold, Arnold Ordman, Dominick L. Manoli, Norton J. Come, and Leonard M. Wagman for respondent.
   C. A. 6th Cir. Certiorari denied.  