Article from 12.12.2025 | Last changed: 12.12.2025
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… with Number 5.5 or Annex 2 of TA Luft. Current program versions: BESTAL 1.3.0 (26.11.2025) AUSTAL 3.3.0 (22.03.2024) User hotline (for technical questions or … with Number 5.5 or Annex 2 of TA Luft. Current program versions: BESTAL 1.3.0 (26.11.2025) AUSTAL 3.3.0 (22.03.2024) User hotline (for technical questions or …