Erhard Albrecht

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Dusseldorf, DT

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Patents Grantslast 30 patents

Information Patent Grant
Device for applying gas to a liquid
- Patent number 4,096,215
- Issue date Jun 20, 1978
- Messer Griesheim GmbH
- Erhard Albrecht
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE