Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F41
WEAPONS
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F41A
FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
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3/00
Breech mechanisms, e.g. locks
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F41A3/02
Block action, i.e. the main breech opening movement being transverse to the barrel axis
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F41A3/10
with sliding breech-block, e.g. vertically
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