BS-4508-1 › Complete Document History
Thermally insulated underground pipelines
Complete Current Edition: |
1986 EDITION - Reaffirmed in 2012 - May 30, 1986
AMD 7727 - AMENDMENT 1 - July 1, 1993 |
Obsolete Revision Information: |
1969 Edition - Thermally insulated underground pipelinesSteel cased systems - Oct. 8, 1969
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