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Karl-Heinz Schmitz
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Duesseldorf, DE
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last 30 patents
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Patent Grant
Soap free conveyor lubricant that gives clear solutions in water co...
Patent number
5,062,979
Issue date
Nov 5, 1991
Ecolab Inc.
Rolf Scharf
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE