BS 77:1958
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification. Voltages for a.c. transmission and distribution systems
Hardcopy
15-09-1988
English
01-12-1962
Standard voltages defined, listed; preferred voltages stated. Limits of voltage ranges indicated.
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