Drake Switching Company Tariffs:  
  FT DSC 8000-A (Effective May 1, 2017)
  FT DSC 8000 (Canceled - See FT DSC 8000-A) 
  FT DSC 8000, Supplement 1 (Canceled - See FT DSC 8000-A) 
   
   
   
   
   
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