Endless V-belt drives sections 'A', 'B', 'C' 'D' and 'E' for industrial purposes
standard by BSI Group, 01/31/1968
Specification for dimensions of 127, 120 and 620 photographic roll film, backing paper and film spools
standard by BSI Group, 03/31/1980
Thermal insulating materials suitable for use within in the temperature range 200' F to 450' F
standard by BSI Group, 09/22/1949
Specification for dimensions of steel pipe for the petroleum industry.
standard by BSI Group, 05/12/1967
Sizes of metal sheets for letterpress photo-engravings
standard by BSI Group, 03/31/1951
Electrical performance of transformers for power and lighting
standard by BSI Group, 08/21/1956
Coil springs. Guide for the design of helical extension springs
standard by BSI Group, 03/31/1988