AS U17-1956
[ Withdrawn ]
55 ton, 2 1/2 per cent nickel-chromium-molybdenum steel (limiting ruling section 6 in.)
standard by Standards Australia, 01/01/1956
AS Z7-1956
[ Superseded ]
Specification for personal eye protectors (excluding types for protection against harmful radiation)
standard by Standards Australia, 01/01/1956
AS A1-1956
[ Obsolescent ]
Australian Standard Specification for structural steel (excludingplates) and Australian Standard rolled steel sections for structuralpurposes.
standard by Standards Australia, 01/01/1956