DIN EN ISO 22975-2-2017 太阳能.集热器部件与材料.第2部分:太阳能热应用热管.耐久性和性能(ISO 22975-2-2016);德文版本EN ISO 22975-2-2016
Solar energy - Collector components and materials - Part 2: Heat-pipes for solar thermal application - Durability and performance (ISO 22975-2:2016); German version EN ISO 22975-2:2016