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BS 1131-4:1955

Plain bearings (metal) Dimensions of thin walled bearing half liners and thrust half washers
standard by BSI Group, 01/31/1955

BS 1133 SUP1:1943

Packaging code. Preservation and packaging of weapons, electrical and telecommunications equipment, optical and mechanical equipment for tropical theatres of war.
standard by BSI Group, 01/01/1944