 SM U @-@ 70 was a Type U 66 submarine or U @-@ boat for the German Imperial Navy ( German : Kaiserliche Marine ) during the First World War . She had been laid down in February 1914 as U @-@ 11 the final boat of the U @-@ 7 class for the Austro @-@ Hungarian Navy ( German : Kaiserliche und Königliche Kriegsmarine or K.u.K. Kriegsmarine ) but was sold to Germany , along with the others in her class , in November 1914 . 
