Revolving-cannon guns, i.e. multibarrel guns with the barrels and their respective breeches mounted on a rotor; Breech mechanisms therefor

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Launching apparatus for projecting projectiles or missiles from barrels, e.g. cannons (F41F3/00 takes precedence); Harpoon guns > Multibarrel guns, e.g. twin guns > Revolving-cannon guns, i.e. multibarrel guns with the barrels and their respective breeches mounted on a rotor; Breech mechanisms therefor