DIN EN ISO 15875-3:2024-09 (Draft)现行
Plastics piping systems for hot and cold water installations - Crosslinked polyethylene (PE-X) - Part 3: Fittings (ISO/DIS 15875-3:2024); German and English version prEN ISO 15875-3:2024
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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