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SS-EN ISO 22975-1:2016
Solar energy - Collector components and materials - Part 1: Evacuated tubes - Durability and performance (ISO 22975-1:2016) (Swedish Standard)
ISO 22975-1:2016 specifies definitions and test methods for materials, durability and performance of evacuated tubes. ISO 22975-1:2016 is applicable to all types of evacuated tubes.
Swedish Standards Institute [sis]