killer007 发表于 2017-8-30 13:06:14

BS EN 15383-2013 Plastics piping systems for drainage and sewerage — Glass-rei

BS EN 15383-2013 Plastics piping systems for drainage and sewerage — Glass-reinforced thermosetting plastics (GRP) based on polyester resin (UP) — Manholes and inspection chambers




admin 发表于 2017-8-30 19:21:03

谢谢您的分享,金币已奖励!
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