BS 535:1973
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for light sources for miners\' portable electric lamps
Hardcopy
23-07-2013
English
18-09-1979
Quality, interchangeability, marking, methods of test, conditions of compliance for 4 volt lamps.
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