BS 1050:1953
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 visual indicator lamps for use in telephone and telegraph switchboards and for allied purposes
Available format(s)
Hardcopy
Superseded date
30-11-1984
Language(s)
English
Published date
01-01-1953
Publisher
Initial rating and life performance, selection for test, test conditions; appendix on photometry.
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