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German submarine U-503

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196 Crown U-503

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196 Crown U-503

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SINN Uシリーズ U1.B Uボート

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Zvezda M503 - 4.000 HP diesel engine of the Soviet Union

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Will it start V12 Diesel. Russian ZVEZDA M50 V12.

German submarine U-503 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 29 April 1940 at the Deutsche Werft yard in Hamburg as yard number 293, launched on 5 April 1941 and commissioned on 10 July 1941 under the command of Kapitänleutnant Otto Gericke.
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