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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22/00
Marine mines, e.g. launched by surface vessels or submarines
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F42B22/04
Influenced mines, e.g. by magnetic or acoustic effect
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