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Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F41
WEAPONS
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F41H
ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
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1/00
Personal protection gear
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F41H1/04
Protection helmets
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F41H1/08
of plastics; Plastic head-shields
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