Düsseldorf, Germany, 2016-Jul-09 — /EPR Retail News/ — METRO GROUP – as minority partner – acquires a stake in the start-up “Deutsche Technikberatung” based in Cologne, one of the participants of the first Spacelab Accelerator Program of Media-Saturn this year. Deutsche Technikberatung regards itself as a “technical support for home users” and offers quick support for…