
    No. 240.
    Local 483, International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers & Helpers of America, AFL-CIO, et al. v. National Labor Relations Board et al.
    
      Mozart G. Ratner for petitioners. Solicitor General Cox, Stuart Rothman, Dominick L. Manoli, Norton J. Come, Frederick U. Reel and Herman M. Levy for respondents.
   United States Court of Appeals for the District of Columbia Circuit. Certiorari denied.  