:Z-14.4-674 DE (DYWIDAG-Zulassung-Z-14.4-674-DYWI-Drill-Hohlstaebe-mit-Verbindungen_DE.pdf): Z-14.4-674 DEen: DYWIDAG_Approval-Z-14.4-674-DYWI-Drill-Hollow_Bars_with_Couplers_ENG