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BS M 33:1970Specification for dimensions of elastomeric toroidal sealing rings (inch series) to Class 1 tolerances for aircraftstandard by BSI Group, 01/22/1970
BS 2068:1970Specification for acetic anhydridestandard by BSI Group, 01/20/1970
BS 4506:1970Specification for shaft endsstandard by BSI Group, 01/19/1970
BS 2811:1969Specification for smoke density indicators and recordersstandard by BSI Group, 12/31/1969
BS 4300/13:1969Wrought aluminium and aluminium alloys for general engineering purposes (supplementary series). 5554 Welding wirestandard by BSI Group, 12/31/1969
BS 4300/10:1969Wrought aluminium and aluminium alloys for general engineering purposes (supplementary series). 5454 Drawn tubestandard by BSI Group, 12/31/1969
BS 61:1969Specification for threads for light gauge copper tubes and fittingsstandard by BSI Group, 12/31/1969
BS SP 139 AND SP 140:1969Specification for corrosion-resisting steel crinkle washersstandard by BSI Group, 12/31/1969
BS SP 139 AND SP 140:1969+A2:2012Specification for Corrosion-resisting steel crinkle washersstandard by BSI Group, 12/31/1969
BS 2742:1969Notes on the use of the Ringelmann and miniature smoke chartsstandard by BSI Group, 12/31/1969
BS 2741:1969Recommendations for the construction of simple smoke viewersstandard by BSI Group, 12/31/1969
BS 2740:1969Specification for simple smoke alarms and alarm metering devicesstandard by BSI Group, 12/31/1969