Helmut Sieke

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D-6200 Wiesbaden, DE

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Patents Grantslast 30 patents

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Apparatus for treating dispersions and the like with non-sinusoidal...
- Patent number 4,556,174
- Issue date Dec 3, 1985
- Helmut Sieke
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE