AS/NZS 3500.2.2:1996/Amdt 1:1999
AS/NZS 3500.2.2:1996/Amdt 1:1999
National Plumbing and Drainage - Sanitary plumbing and drainage-Acceptable solutionsAmendment by Australian/New Zealand Standards, 01/01/1999
Amendment by Australian/New Zealand Standards, 01/01/1999