ZBW has fallen victim to a cyber attack. br>For this reason, EconBiz was offline for several weeks. Many EconBiz services are now online again. Please excuse the circumstances! Details Contact
BILDUNGSAUFTRAG DES HANDWERKS UND BILDUNGSREFORM / JUGEND IM HANDWERK, 4. KONGRESS 1966 VERANST. VOM ZENTRALVERBAND D. DT. HANDWERKS