Type XXI submarine (Q161331)
1944 class of German submarines
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other details
aliases German Type XXI submarine
 Type XXI submarines
description 1944 class of German submarines

External Links
(P244) sh2013002533
(P646) /m/09k_v
(P1417) technology/Type-XXI
(P3417) Type-XXI-Submarine
(P8189) 987007574812105171