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BS 1490:1949

Specification for aluminium and aluminium alloy ingots and castings for general engineering purposes
standard by BSI Group, 08/18/1949

BS 131-6:1989

Notched bar tests-Method for precision determinations of Charpy V-notch impact energies for metals
standard by BSI Group, 02/28/1990

BS 142-1.4.4:1993

Electrical protection relays. Information and requirements for all protection relays. Specification for electrical disturbance tests-Fast transient disturbance test
standard by BSI Group, 02/15/1993

BS 1493:1987

Method of specifying general purpose polystyrene (PS) moulding and extrusion materials
standard by BSI Group, 02/27/1987