killer007 发表于 2017-8-29 16:06:44

BS EN 1054-1996 Plastics piping systems — Thermoplastics piping systems for so

BS EN 1054-1996 Plastics piping systems — Thermoplastics piping systems for soil and waste discharge — Test method for airtightness of joints




admin 发表于 2017-8-29 18:54:26

谢谢您的分享,金币已奖励!
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