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C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F1/00—Treatment of water, waste water, or sewage
C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
C02F1/681—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of solid materials for removing an oily layer on water
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Medicinal Chemistry
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Environmental & Geological Engineering
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FR16000550A1967-04-101967-04-10
Process allowing the immersion of hydrocarbons and all oily or liquid products floating on water
ExpiredFR1518285A
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