BS 4508-3:1977
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Thermally insulated underground pipelines General requirements for cased systems without air gap
Hardcopy , PDF
30-04-1992
English
30-06-1977
Construction and installation of pipe-in-pipe distribution systems with an insulated service or product pipe enclosed in a pressure-tight casing.
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