00731cam a2200241I 4500005747214MiAaHDL20071024000000.0m d cr bn ---auaua770909s1944 nyu 000 0 eng 45001124 sdr-wu6545610(OCoLC)3253306DLCOCPGZMTD430.P4 1944628.16Permutit Company.Water conditioning handbook.New York, N.Y.,The Permutit company[c1944]1 v.illus., tables, diagrs.29 x 22 cm."Technical papers": p. ix-xi at end.Various pagings.Mode of access: Internet.WaterPurification.00574721420071024102508.020071024000000.020120815133207.02025-03-29T18:24:00Z2025-03-29T17:30:02ZSDR-WUUNKNOWNloader.pl-001-001BKsdr-wu6545610wuSDRWUwu.89088899364WU6545610WUWU20250329googlewu.890888993641944pdren