BS 557(1934) : LATEST
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
ALTERNATING CURRENT LINE RELAYS (SINGLE ELEMENT, 2 POSITION) FOR RAILWAY SIGNALLING PURPOSES
Superseded date
23-07-2013
Superseded by
Published date
23-11-2012
Publisher
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| DocumentType |
Standard
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| PublisherName |
British Standards Institution
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| Status |
Superseded
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| SupersededBy |
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