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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8/00
Practice or training ammunition
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F42B8/04
Blank cartridges, i.e. primed cartridges without projectile but containing an explosive or combustible powder charge
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