Originated in Australia as AS 2293.2—1979.
Originated in New Zealand as part of NZS 6742:1971.
Previous edition AS/NZS 2293.2:1995.
Fourth edition 2019. Originated in Australia as AS 2293.2-1979. Originated in New Zealand as part of NZS 6742:1971. Previous edition AS/NZS 2293.2:1995. Fourth edition 2019.