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Original U.S. Vietnam War Era / Cold War Era Inert Aviation Ordnance 3 – International Military Antiques
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20 mm artillery: M61 Vulcan, Phalanx CIWS, Hispano-Suiza HS.404, Oerlikon 20 mm cannon, 2 cm FlaK 30|38|Flakvierling, Type 99 cannon | Amazon.com.br
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20 MM Artillery: M61 Vulcan, Phalanx Ciws, Hispano-Suiza HS.404, Oerlikon 20 MM Cannon, 2 CM Flak 30-38-Flakvierling, Type 99 Cannon, 2 | Amazon.com.br
Effect of the US produced HS.404R4M 20mm cannon being perfected pre-war? | Aircraft of World War II - WW2Aircraft.net Forums
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