DIN EN ISO 23537-1:2022-10
睡袋要求 第1部分:设计用于 -20°C 及更高极限温度的睡袋的热、质量和尺寸要求
Requirements for sleeping bags - Part 1: Thermal, mass and dimensional requirements for sleeping bags designed for limit temperatures of -20 °C and higher (ISO 23537-1:2022); German version EN ISO 23537-1:2022