BS 1447:1973

Specification for mastic asphalt (limestone fine aggregate) for roads and footways
standard by BSI Group, 09/12/1973

BS 130:1923

Totally enclosed air-break circuit breakers for voltages not exceeding 660 volts
standard by BSI Group, 01/30/1933

BS 2011-2QC:1967

The enviromental testing of electronic components and electronic equipment. Container sealing, gas leakage
standard by BSI Group, 01/01/1967

BS 1251:1970

Specification for open fireplace components
standard by BSI Group, 01/31/1975

BS 116-2:1937

Oil circuit-breakers, oil switches and oil isolating-switches, for alternating-current circuits. Three-phase oil circuit-breakers with breaking-capacity ratings above 500 mva
standard by BSI Group, 07/20/1971

BS 142-4-4.1:1984

Electrical protection relays. Requirements for multi-input energizing quantity relays-Specification for biased (percentage) differential relays
standard by BSI Group, 04/30/1984

BS 2474:1965

Recommended names for chemicals used in industry
standard by BSI Group, 07/14/1970

BS 1399-1:1970

Specification for rotary shaft lip seals-Dimensions of shafts and housings
standard by BSI Group, 01/09/1970

BS 101:1921

Tramway Tyres
standard by BSI Group, 03/01/1940

BS 2011-3A & B:SUPPLEMENT NO. 1:1980

Environmental testing. Background information-Tests A (cold) and tests B (dry heat)
standard by BSI Group, 04/30/1980

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