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Purification of solutions
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Patent number 5,397,476
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Issue date Mar 14, 1995
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Bradtec Limited
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David Bradbury
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Descaling process
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Patent number 4,705,573
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Issue date Nov 10, 1987
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Electric Power Research Institute, Inc.
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Christopher J. Wood
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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