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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F41H5/00
Armour; Armour plates
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F41H5/02
Plate construction
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F41H5/04
composed of more than one layer
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