BS EN 15632-1-2009 District heating pipes — Pre-insulated flexible pipe systems Part 1 ClassificatioBS EN 15632-1-2009 District heating pipes — Pre-insulated flexible pipe systems Part 1 Classification, general requirements and test methods
部份国外标准涉及版权问题,所以全部国外标准于2013年02月,全部删除!相关页面仅提供参考消息。