killer007 发表于 2017-8-29 15:52:09

ISO 7511-1999 Plastics piping systems — Glass-reinforced thermosetting plastic

ISO 7511-1999 Plastics piping systems — Glass-reinforced thermosetting plastics (GRP) pipes and fittings — Test methods to prove the leaktightness of the wall under short-term internal pressure




admin 发表于 2017-8-29 15:55:57


谢谢您的分享,金币已奖励!
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