ISO 16486-1:2012
ISO 16486-1:2012 Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing —Part 1: General谢谢您的分享,金币已奖励! 谢谢您的分享,:D!!!!!!! 谢谢分享!!!!!!!!!!!!!!!! 论坛提供多种方式获取金币
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