Ellison, Dan
Investigation of pipe cleaning methods - Denver AWWA research foundation and American water works associatio 2003 - xix, 138 p.
1583212604
Water-pipes-cleaning
628.15 / ELL
Investigation of pipe cleaning methods - Denver AWWA research foundation and American water works associatio 2003 - xix, 138 p.
1583212604
Water-pipes-cleaning
628.15 / ELL