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- 49045451 alternative "Filter efficiency.".
- 49045451 contributor B1168380.
- 49045451 contributor B1168381.
- 49045451 contributor B1168382.
- 49045451 created "1947.".
- 49045451 date "1947".
- 49045451 date "1947.".
- 49045451 dateCopyrighted "1947.".
- 49045451 extent "44 p.".
- 49045451 issued "1947".
- 49045451 issued "1947.".
- 49045451 language "eng".
- 49045451 publisher "[Jefferson City]".
- 49045451 subject "628.35".
- 49045451 subject "Filters and filtration.".
- 49045451 subject "Sewage Purification.".
- 49045451 subject "TD753 .M5 1947".
- 49045451 title "A study of the effect of sewage distribution on high rate filter efficiency, by W. Q. Kehr and C. C. Ruchhoft. Foreword by W. Scott Johnson. The Dept. of Public Health and Welfare of Missouri, Division of Health, Section of Environmental Sanitation, and the U.S. Public Health Service, Water and Sanitation investigations Station.".
- 49045451 type "text".