DIN EN ISO 16739:2017
建设和设备管理行业的数据共享用工业基础类(IFC)(ISO 16739-2013);英文版本EN ISO 16739-2016,只在光盘
Industry Foundation Classes (IFC) for data sharing in the construction and facility management industries (ISO 16739:2013); English version EN ISO 16739:2016, only on CD-ROM