Specification for forging stock, bars, extruded sections and forgings of aluminium-21% magnesium alloy.
NORMA vydána dne 30.3.1973
Designation standards: BS 4L44:1973
Note: NEPLATNÁ
Publication date standards: 30.3.1973
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS