Subclass Subgroup Patent
B41J 2/05 09809022
  2/14209 09809023
  2/145 09809024
    09809025
  2/161 09809026
  2/1628 09809027
  2/165 09809028
  2/16505 09809029
  2/16517 09809030
  2/17503 09809031
    09809032
  2/17553 09809033
  2/17563 09809034
  2/2132 09809035
  2/2142 09809036