Patent classifications
C
CHEMISTRY; METALLURGY
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C02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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C02F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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2307/00
Location of water treatment or water treatment device
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C02F2307/08
Treatment of wastewater in the sewer, e.g. to reduce grease, odour
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