
    Atlas Copco, Inc. v. Sellers Company, Inc., Appellant.
    Argued December 11, 1972.
    
      Bernard V. DiGiacomo, with him DiGia-como & Lynch, for appellant; William H. Ewing, with him 'Neil G. Epstein, Barbara Oaks Silver, and Ewing <& Cohen, for appellee.
   Order affirmed.  