"1938-12-21" . . "U 52" . "German submarine U-52 (1938)" . "6.2" . "66.5" . "1943-10-22" . . "1937-05-15" . "German submarine ''U-52''" . . "German submarine U-52 (1938)" . . . . . "8.57E8" . . . "Scuttled at Danzig, 3 May 1945,broken up, 1946\u20137" . . . . "7.53E8" . "1939-02-04" . . . "U-52" . "1937-03-09" . . . . . "4.7" .