07/30165568 DC废止
BS EN 448. District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
出版：British Standards Institution
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基本信息
标准编号： 07/30165568 DC
发布时间：2007/7/6 0:00:00
标准类别：Draft
出版单位：British Standards Institution
标准页数：34
标准备注
© British Standards Institution 2013
General notes:
This Draft for Public Comment is no longer current as its expiry date for comments has passed. It is not available for order.
替代本标准的新标准
等同采用的国际标准
PREN 448:2014 - Identical
