AS U20-1956

AS U20-1956

75 ton, 2 1/2 per cent nickel-chromium-molybdenum steel (limiting ruling section 2 1/2 in.)standard by Standards Australia, 01/01/1956

AS U40-1961

AS U40-1961

Specification for 12 volt 36 ampere-hour lead-acid batteries for use in aircraft (detail requirements)standard by Standards Australia, 09/01/1961

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