DIN EN ISO 7944:2023-12 光学和光学仪器 参考波长(ISO/DIS 7944:2023);德语和英语版本 prEN ISO 7944:2023
Optics and optical instruments - Reference wavelengths (ISO/DIS 7944:2023); German and English version prEN ISO 7944:2023 / Note: Date of issue 2023-10-27*Intended as replacement for DIN EN ISO 7944 (1998-07).