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last 30 patents
Information
Patent Grant
Procedure and equipment for a chemical reaction or mass transfer be...
Patent number
6,392,072
Issue date
May 21, 2002
Mastrans AS
Norolf Henriksen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Method and equipment for the purification of a liquid
Patent number
5,900,154
Issue date
May 4, 1999
Mastrans AS
Norolf Henriksen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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last 30 patents
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