
EN 1519 PLASTICS PIPING SYSTEMS FOR SOIL AND WASTE DISCHARGE (LOW AND HIGH TEMPERATURE) WITHIN THE BUILDING STRUCTURE - POLYETHYLENE (PE) - PART 1: GENERAL
出版:British Standards Institution

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EN 1519 PLASTICS PIPING SYSTEMS FOR SOIL AND WASTE DISCHARGE (LOW AND HIGH TEMPERATURE) WITHIN THE BUILDING STRUCTURE - POLYETHYLENE (PE) - PART 1: GENERAL
出版:British Standards Institution
专家解读视频