000 00559cam a22001691 4500
082 _a628.16
_bRYA
_cL-23, P-9
100 1 _aRyan, William John.
_95907
245 1 0 _aWater treatment and purification,
_cby William J. Ryan.
250 _a2d ed.
260 _aNew York and London,
_bMcGraw-Hill book company, inc.
_c[c1946]
300 _aix, 270 p.
_billus., diagrs. (1 fold.)
_c21 cm.
526 _a0
_b0
_c0
_d628_160000000000000_RYA
650 0 _aFeed-water purification.
_95908
650 0 _aMCE
_9379
650 0 _aWater
_xPurification.
_9264
942 _2ddc
_cBK
999 _c548082
_d548082