نتایج جستجو
AWWA standard [for] installation of steel water pipe--4 in. (100mm) and larger
American Water Works Association., 2007
AWWA standard [for] power-actuating devices for valves and slide gates
American National Standards Institute., 2003
Operational Guide to AWWA Standard G300 - Source Water Protection
Sham, Chi Ho, 2010
Operational Guide to AWWA Standard G300: Source Water Protection
Chi Ho Cham, 2010
Operational Guide to AWWA Standard G400: Utility Management Systems
James F. Ginley, 2009
Iron and Manganese Removal Handbook
AWWA, 2007
Safety Mangement for Utilities (M3): AWWA Manual of Practice
American Water Works Association, 2014
Sodium hydroxide (caustic soda)
AWWA, 2013
EPI-DMA Polyamines
AWWA, 2014
