BS 4508-3:1977被替代
Thermally insulated underground pipelines. General requirements for cased systems without air gap
出版：British Standards Institution
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基本信息
标准编号： BS 4508-3:1977
发布时间：1977/6/30 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
Construction and installation of pipe-in-pipe distribution systems with an insulated service or product pipe enclosed in a pressure-tight casing.
标准备注
© British Standards Institution 2013
替代本标准的新标准
