Specification. Voltages for high-voltage d.c. transmission systems
standard by BSI Group, 09/26/1958

Specification for oro-nasal oxygen mask assemblies for use in demand systems
standard by BSI Group, 08/31/1990

Leclanche-tye primary cells and batteries
standard by BSI Group, 09/07/1953

Glossary of terms for concrete and reinforced concrete
standard by BSI Group, 03/29/1985

Valve fittings for compressed cylinders
standard by BSI Group, 04/11/1945

Specification for matches
standard by BSI Group, 04/10/1972

Railway rolling stock material Laminated volute and helical springs and steel for laminated springs
standard by BSI Group, 12/01/1911

Specification for polyethylene-insulated copper-conductor telecommunication distribution cables
standard by BSI Group, 02/27/1976

Requirements for refrigeration safety
standard by BSI Group, 12/17/1969

Colours and their meanings when used for indicator lights annunciators and digital readouts for industrial purposes
standard by BSI Group, 01/25/1967