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标题: ISO TS 20656-1-2017 Plastics piping systems — General rules for structural des [打印本页]

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作者: killer007    时间: 2017-8-28 11:47:20     标题: ISO TS 20656-1-2017 Plastics piping systems — General rules for structural des

ISO TS 20656-1-2017 Plastics piping systems — General rules for structural design of glass-reinforced thermosetting plastics (GRP) pipes — Part 1 Buried pipes

[attach]145074[/attach]

[attach]145074[/attach]

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作者: admin    时间: 2017-8-28 13:56:57

谢谢您的分享,金币已奖励!

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