Aerospace series - LOTAR - Long Term Archiving and Retrieval of digital technical product documentation such as 3D, CAD and PDM data - Part 004: Description methods; German and English version EN 9300-004:2013
航空航天系列.LOTAR.数字技术产品文件(如3D、CAD和PDM数据)的长期存档和检索.第004部分:描述方法;德语和英语版本EN 9300-004:2013