Multilayer piping systems for hot and cold water installations inside buildings β Part 2: Pipes β Amendment 1.
ISO 21003-2:2008/Amd 1:2011 refers to an amendment (Amd 1:2011) to the second part (Part 2: Pipes) of ISO standard 21003 published in 2008, specifically concerning multilayer piping systems for hot and cold water installations inside buildings.
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