DIN EN ISO 14456:2023-03
气瓶 气体特性和相关分类(FTSC)代码
Gas cylinders - Gas properties and associated classification (FTSC) codes (ISO/DIS 14456:2023); German and English version prEN ISO 14456:2023 / Note: Date of issue 2023-02-10*Intended as replacement for DIN EN ISO 14456 (2019-10).