Technical Standard

Electric lifts. Outline dimensions of electric lifts
standard by BSI Group, 12/31/1955

Sandlime (calcium silicate) bricks
standard by BSI Group, 12/01/1947

Method of test for determination of twist in yarns, direct counting method
standard by BSI Group, 12/07/1973

Specifications for essential oils-Specifications for essential oils
standard by BSI Group, 03/19/1971

Specification for portable aluminium ladders, steps, trestles and lightweight stagings
standard by BSI Group, 09/30/1987

Specification for conductors for general-purpose aircraft electrical cables and aerospace applications
standard by BSI Group, 10/31/1990

Spectacle lenses-Specification for single-vision and multifocal semi-finished lens blanks
standard by BSI Group, 09/15/1992

Steel balls for brinell hardness testing
standard by BSI Group, 08/31/1950

Glossary of aeronautical terms: general
standard by BSI Group, 10/03/1963

Specification for copper and copper alloys. Plate
standard by BSI Group, 03/31/1969