329 Redirecting NK cell cytotoxicity by innate cell engagers: a differentiated and innovative approach compared to CAR-NK cells by Ivica Fucek, Joachim Koch, Thomas Grunwald, Jens Pahl, Christian Breunig, Sonya Ioana Ciulean, Julia Uhlig, Thea Eichenberg, Joe Fischer, Michael Albers, Jan Schmollinger, Christoph Bach, Paul Franz, Anna Dünkel, Stephan Fricke, Ulrike Köhl