2013 发表于 2013-9-8 09:59:23

ISO 25780-2011 Plastics piping systems for pressure and non-pressure water

ISO 25780-2011
Plastics piping systems for pressure and non-pressure water
supply, irrigation, drainage or sewerage — Glass-reinforced
thermosetting plastics (GRP) systems based on unsaturated
polyester (UP) resin — Pipes with flexible joints intended to be
installed using jacking techniques

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admin 发表于 2013-9-9 10:10:31

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prettypoet9 发表于 2013-12-1 02:12:18

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windtwo的话 发表于 2017-6-29 21:51:21

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