DIN EN ISO 15876-5 (2015-08)被替代
Plastics piping systems for hot and cold water installations - Polybutene (PB) Part 5: Fitness for purpose of the system (ISO/DIS 15876-5:2015); German and English version prEN ISO 15876-5:2015
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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