Technical Standard

Porcelain insulators for overhead power lines 3,000 volts and upwards
standard by BSI Group, 11/17/1930

High carbon bright steel (silver steel)
standard by BSI Group, 09/12/1947

Flexible trailing cables for quarries and metalliferous mines
standard by BSI Group, 05/11/1943

Office organization and practice
standard by BSI Group, 12/01/1943

The sampling of coal and coke.-Sampling of coke
standard by BSI Group, 01/01/1960

Universal Decimal Classification. English full edition-Socialism
standard by BSI Group, 05/30/1969

Specification for flanged steel outside-screw-and yoke wedge gate valves for the petroleum industry
standard by BSI Group, 06/14/1954

Bronze oil retaining bearings
standard by BSI Group, 05/01/1944

Specification. Moulded electrical insulating materials for use at high temperatures
standard by BSI Group, 03/29/1961

Graphical symbols for general electrical purposes
standard by BSI Group, 08/14/1933