Subclass Subgroup Patent
F41A 3/66 08756845
  9/70 12169112
  19/10 12169105
  21/04 12169106
  21/30 12169107
    12169108
  21/325 12169109
  23/12 12169110
  35/06 12169111
F41B 11/70 12169113
F41C 27/00 12169114
  33/0209 12169115
F41G 11/003 12169116
F41H 5/00 12169118
  5/0428 12169119
  11/08 12169117