Subclass Subgroup Patent
F41A 3/42 12392569
  9/64 12392570
  17/36 12392571
  23/24 12392572
  25/10 12392573
  25/12 12392574
F41B 5/123 12392575
  11/70 12392576
  11/723 12392577
F41F 3/0413 12392578
F41G 1/30 12392579
  1/345 12392580
  1/38 12392581
  9/00 12392582
F41H 1/00 12392583
  1/02 12392584
F41J 3/0019 12392585
  3/02 12392586