shukesan 发表于 2017-8-30 22:47:03

ISO 04633-2015 Rubber seals — Joint rings for water supply, drainage and sewer


  ISO 04633-2015  Rubber seals —  Joint rings for water supply, drainage and sewerage pipelines — Specification  for materials

killer007 发表于 2017-8-31 10:24:55

资料清晰原版，十分难得，谢谢。

admin 发表于 2017-8-31 15:48:00


谢谢您的分享,金币已奖励!

jxcgchen 发表于 2018-11-26 05:14:51

网不好，很难下载啊，怎么办？
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