DIN EN ISO/ASTM 52942:2020 增材制造. 资格审查原则. 航空航天应用中使用的激光金属粉末床融合机器和设备的机器操作员资格认证(ISO/ASTM 52942-2020); 德文版 ISO/ASTM 52942-2020
Additive manufacturing - Qualification principles - Qualifying machine operators of laser metal powder bed fusion machines and equipment used in aerospace applications (ISO/ASTM 52942:2020); German version ISO/ASTM 52942:2020