00804cam a22002891 4500 7406078 BD-DhUL 20150113114805.0 750916s1946 xx 000 0 eng 46005029 (OCoLC)1627053 DLC FMU OCoLC DLC BD-DhUL premarc TD430 .R85 1946 628.162 RYW Ryan, William John. Water treatment and purification / William J. Ryan. 2nd ed. India : Agrobios, 2002. ix, 270 p. : ill. ; 21 cm. IRS 495.00 Includes index. Water Purification. Feed-water purification. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 30187 30187 0 0 ddc 0 628_162000000000000_RYW 0 NFIC 57186 DUSL DUSL GEN 2003-08-20 purchased 628.162 RYW 408596 2015-01-13 2 2015-01-13 BK 0 0 ddc 0 628_162000000000000_RYW 0 NFIC 57189 DUSL DUSL GEN 2003-08-20 purchased 628.162 RYW 408595 2015-01-13 1 2015-01-13 BK