Klaus Frankenfeld

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Kirberg, Taunus, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the extractive purification of phosphoric acid containi...
- Patent number 4,018,869
- Issue date Apr 19, 1977
- Chemische Fabrik Budenheim Rudolf A. Oetker
- Klaus Beltz
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...