Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F42
AMMUNITION; BLASTING
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F42B
EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
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F42B7/02
Cartridges, i.e. cases with propellant charge and missile
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F42B7/10
Ball or slug shotgun cartridges
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