Wilhelmus Johanna Anthonius Maria Sprang

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Maarssen, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of selectively removing zinc from acid effluents
- Patent number 6,132,621
- Issue date Oct 17, 2000
- Bammens Groep B.V.
- Wilhelmus Johanna Anthonius Maria Sprang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...