Technical Standard

Electrical protective relays
standard by BSI Group, 03/15/1968

Specification for concrete porous pipes for under-drainage
standard by BSI Group, 09/07/1955

Specifications for tramway axles
standard by BSI Group, 03/15/1942

Specification for hard-drawn copper and copper-cadmium conductors for overhead power transmission purposes
standard by BSI Group, 06/25/1970

Specification for copper for electrical purposes. Rod and bar
standard by BSI Group, 02/09/1948

Specification for nails-Specifications for nails. Steel nails
standard by BSI Group, 05/31/1974

Specification for black paint (tar-based)
standard by BSI Group, 05/03/1956

Specification for tins for liquid paints and varnishes and other liquid products of the paint industry
standard by BSI Group, 04/15/1946

Electrical protection relays. Requirements for single input energizing quantity relays-Specification for single input energizing quantity measuring relays with non-specified time or independent specified time
standard by BSI Group, 12/31/1990

Specification for batch type concrete mixers
standard by BSI Group, 03/26/1959