DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   carbon copy /kˈɑːbən kˈɒpɪ/ (CC /sˌiːsˈiː/)
   Durchschrift mit Kohlepapier
      Synonyms: carbon, blue copy
    see: copy, copies, carbonless copy