DIN EN 12312-4:2014-07 Aircraft ground support equipment - Specific requirements - Part 4: Passenger boarding bridges; German and English version EN 12312-4:2014 / Note: To be replaced by DIN EN 12312-4 (2021-02).
2021DIN EN 12312-4:2021-02 Aircraft ground support equipment - Specific requirements - Part 4: Passenger boarding bridges; German and English version prEN 12312-4:2020 / Note: Date of issue 2021-01-08*Intended as replacement for DIN EN 12312-4 (2014-07).
2014DIN EN 12312-4:2014-07 Aircraft ground support equipment - Specific requirements - Part 4: Passenger boarding bridges; German and English version EN 12312-4:2014 / Note: To be replaced by DIN EN 12312-4 (2021-02).
2014DIN EN 12312-4:2014 Aircraft ground support equipment - Specific requirements - Part 4: Passenger boarding bridges; German and English version EN 12312-4:2014