killer007 发表于 2017-8-28 11:43:55

ISO 16611-2017 Plastics piping systems for drainage and sewerage without pressur

ISO 16611-2017 Plastics piping systems for drainage and sewerage without pressure — Non-circular pipes and joints made of glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resins (UP) — Dimensions,





admin 发表于 2017-8-28 13:56:45

谢谢您的分享,金币已奖励!
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