Willi Ziegenbein

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Marl, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing gaseous hydrogen chloride from dilute aqueous...
- Patent number 4,272,502
- Issue date Jun 9, 1981
- Chemische Werke Huls Aktiengesellschaft
- Willi Ziegenbein
- C01 - INORGANIC CHEMISTRY