انتشارات Mind Association
AWWA C226-13 Stainless Steel Fittings for Waterworks Service, Sizes 1/2 In. Through 72 In 15 mm Through 1800 mm
American Water Works Association, 2012
AWWA standard [for] fabricated stainless steel slide gates
American Water Works Association.; American National Standards Institute, 2004
Stainless-steel pipe, 1/2 in. (13 mm) and larger
American Water Works Association.; American National Standards Institute, 2012
AWWA standard : nylon-11-based polyamide coating system for the interior and exterior of steel water pipe, connections, fittings, and special sections
American Water Works Association.; American National Standards Institute, 2007
