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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4/00
Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
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F42B4/16
Hand-thrown impact-exploded noise makers;; Other noise-makers generating noise via a pyrotechnic charge
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