Under Revision see DR 00191 AS/NZS 2053.7 first published in Australia in part as AS C66.1-1955.AS C66.1-1955 revised and redesignated as AS 2052-1977. First published in New Zealand in part as NZS 127:1949 (Being BS 31:1940 endorsed with amendment).NZS 6221.1 first published 1972 (Being BS 4568.1:1970 endorsed with amendment).NZS 6221.2 first published 1972 (Being BS 4568.2:1970 with amendment). AS 2052-1977, NZS 127:1949, NZS 6221.1:1972 and NZS 6221.2:1972 jointly revised, amalgamated and redesignated in part as AS/NZS 2053.7:1995. AS/NZS 2053.7 first published in Australia in part as AS C66.1-1955. AS C66.1-1955 revised and redesignated as AS 2052-1977. First published in New Zealand in part as NZS 127:1949 (Being BS 31:1940 endorsed with amendment). NZS 6221.1 first published 1972 (Being BS 4568.1:1970 endorsed with amendment). NZS 6221.2 first published 1972 (Being BS 4568.2:1970 with amendment). AS 2052-1977, NZS 127:1949, NZS 6221.1:1972 and NZS 6221.2:1972 jointly revised, amalgamated and redesignated in part as AS/NZS 2053.7:1995.