killer007 发表于 2017-8-30 13:05:25

BS EN 14364-2013 Plastics piping systems for drainage and sewerage with or witho

BS EN 14364-2013 Plastics piping systems for drainage and sewerage with or without pressure — Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) — Specifications for pipes, fittings and




admin 发表于 2017-8-30 19:21:01

谢谢您的分享,金币已奖励!
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