BS 4087:1966
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for copper-covered steel wire for telephone and telegraph purposes
Hardcopy
31-08-1989
English
16-12-1966
Gives electrical and mechanical properties; two grades of conductivity, three of tensile strength; tolerances for a range of preferred wire sizes. Based on the properties of wire which has been copper covered by the electrolytic deposition process.
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