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US2339263A
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Muzzle attachment for guns
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US2132418A
|
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Clutch mechanism
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US2093441A
|
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Synchronized control gear for machine guns
|
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US1956574A
|
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Reversible feed mechanism for machine guns
|
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US1858498A
|
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Bolt operating mechanism for machine guns
|
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US1808847A
|
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Belt feed mechanism for machine guns
|
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US1722629A
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Combination mount for machine guns
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US1789308A
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Apparatus for rifling gun barrels
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US1744162A
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Gun
|
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US1770471A
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Muzzle attachment for guns
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|
US1710022A
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Sight mount for guns
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US1756685A
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Rear sight
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US1636509A
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Receiver sight for rifles
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