Tech PDF

BS

BS 142-3-3.1:1990

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

BS

BS 1472:1963

Specification for wrought aluminium and aluminium alloys for general engineering purposes – forging stock and forgings
standard by BSI Group, 09/03/1963

BS

BS 1473:1969

Specification for wrought aluminium and aluminium alloys for general engineering purposes – rivet, bolt & screw stock for forging.
standard by BSI Group, 08/29/1969

BS

BS 1474:1955

Specification for wrought aluminium and aluminium alloys for general engineering purposes – bars, extruded round tube and sections
standard by BSI Group, 05/11/1960