DIN EN ISO 13351:2023-12 风扇 尺寸 (ISO/DIS 13351:2023);德文版和英文版 prEN ISO 13351:2023
Fans - Dimensions (ISO/DIS 13351:2023); German and English version prEN ISO 13351:2023 / Note: Date of issue 2023-11-17*Intended as replacement for DIN EN ISO 13351 (2011-11).