DIN EN 12312-7:2009 航空器地勤支援设备.专门要求.第7部分:飞行器移动设备(包括补充件A1-2009).英文版本DIN EN 12312-7-2009-08
Aircraft ground support equipment - Specific requirements - Part 7: Aircraft movement equipment(includes Amendment A1:2009); English version of DIN EN 12312-7:2009-08