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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 1902-2D:1969

Methods of testing refractory materials-Determination of silica in high silica, aluminosilicate and aluminous materials by coagulation
standard by BSI Group, 12/31/1969

BS

BS 1767:1951

Specification for grommets for general purposes (rubber and rubber-like materials)
standard by BSI Group, 05/22/1952