57x408R / 57x408R/ 6-Pdr Nordenfelt |
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57x408R WW1 US experimental Nordenfelt. “Cañón Vickers Sons & Maxim 57mm” Maxim-Nordenfelt de 57mm |
57X410R Perforante romperdor. Artilleria de costa | |
AC. T.r Nordenfelt A II de costa. ( Artilleria de Costa tiro rapido Nordenfelt A II ) | |
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