Subclass Subgroup Patent
B60L 11/002 09809117
  11/02 09809118
  11/18 09809119
    09809120
  11/1816 09809121
  11/1818 09809122
    09809123
  11/182 09809124
  11/1829 09809125
  11/1868 09809126
  11/1874 09809127
  11/1879 09809128