GB/T 19775-2005 Glass-metal sealed heat-pipe evacuated solar collector tubes
ISO 9488 Solar energy — Vocabulary*, 2022-03-31 Update
ISO 9806 Solar energy - Solar thermal collectors - Test methods*, 2017-08-31 Update
ISO 9845-1 Solar energy — Reference solar spectral irradiance at the ground at different receiving conditions — Part 1: Direct normal and hemispherical solar irradiance for air mass 1,5*, 2022-08-12 Update
BS EN ISO 22975-1:2016 history
2016BS EN ISO 22975-1:2016 Solar energy. Collector components and materials. Evacuated tubes. Durability and performance