Projects of NA 041-01-12 AA

Document number Begin Title Comment
DIN EN 18213-2 2024-08-16 District heating and district cooling pipes - Bonded single and twin pipe systems for directly buried hot and cold water networks - Part 2: Qualification testing of PE-Welder; German version FprEN 18213-2:2026 More  Comment 
ISO/FDIS 21026-1 2024-03-05 Heat supply network - Vocabulary - Part 1: System More  Comment 

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