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Pierre Lejeune
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Grenoble, FR
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last 30 patents
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Patent Grant
Sludge belt method of clarifying a liquid charged with solid matter
Patent number
4,592,845
Issue date
Jun 3, 1986
Alsthom-Atlantique
Pierre Lejeune
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Patent Grant
Decanter for decanting a fluid
Patent number
4,390,429
Issue date
Jun 28, 1983
Societe Anonyme dite: Alstrom-Atlantique
Pierre Lejeune
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE