
BS ISO 10639 - PLASTICS PIPING SYSTEMS FOR PRESSURE AND NON-PRESSURE WATER SUPPLY - GLASS-REINFORCED THERMOSETTING PLASTICS (GRP) SYSTEMS BASED ON UNSATURATED POLYESTER (UP) RESIN
出版:British Standards Institution

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BS ISO 10639 - PLASTICS PIPING SYSTEMS FOR PRESSURE AND NON-PRESSURE WATER SUPPLY - GLASS-REINFORCED THERMOSETTING PLASTICS (GRP) SYSTEMS BASED ON UNSATURATED POLYESTER (UP) RESIN
出版:British Standards Institution
专家解读视频