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BS 4161-5:1977
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 gas meters Positive displacement diaphragm meters for pressures up to 7 bar
Hardcopy
31-10-1990
English
31-07-1978
Construction and performance of meters for 1st and 2nd family gases and for all gas working pressures up to 7 bar. Also includes certain fire resistance requirements.
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