Specification for an identification scheme for pipelines.
STANDARD published on 30.11.1987
Designation standards: BS 5M23:1987
Publication date standards: 30.11.1987
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Category: Technical standards BS
Includes a modified scope and field of application. A symbol for filtered air has been added, and details of the supplementary marker have been expanded. Status: Confirmed