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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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25/00
Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
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F41A25/10
Spring-operated systems
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F41A25/12
using coil springs
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F41A25/14
adjustable
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