How do you say “carbon copy” in Vietnamese?

Vietnamese words for “carbon copy”

• bản saoListennoun
  Hanoi [ʔɓaːn˧˩ saːw˧˧] · Saigon [ʔɓaːŋ˨˩˦ ʂaːw˧˧]bản dipping sao level

  copy; duplicate

  for “carbon copy” meaning: A copy produced in an alternated stack of ordinary sheets of paper and carbon papers. The pressure applied on the top sheet (by a pen or typewriter) causes every carbon paper to release its carbon cov

• nhân bảnListenverb
  Hanoi [ɲən˧˧ ʔɓaːn˧˩] · Saigon [ɲəŋ˧˧ ʔɓaːŋ˨˩˦]nhân level bản dipping

  to duplicate; to multiply; to produce copies

  for “carbon copy” meaning: To create a carbon copy of.