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The Drinking Water Handbook 2nd ed - Frank R. Spellman, Joanne E. Drinan (CRC, 2012).pdf
1 year, 4 months
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Piping and Valves - Fundamentals for the Water and Wastewater Maintenance Operator Series - Frank R. Spellman, Joanne Drinan (2001).pdf
1 year, 6 months
Files: 1 Total size: 7.2 MB Total requests: 58 Last access time: 3 days, 7 hours
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Water and Wastewater Treatment - A Guide for the Nonengineering Professionals - Joanne E. Drinan (CRC, 2001).pdf
1 year, 10 months
Files: 1 Total size: 16.1 MB Total requests: 149 Last access time: 1 week
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Files: 1 Total size: 38.8 MB Total requests: 279 Last access time: 2 hours, 49 minutes
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