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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of a hydroxyl apatite material
- Patent number 4,938,938
- Issue date Jul 3, 1990
- Ewers; Rolf
- Rolf Ewers
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Porous hydroxyl apatite material
- Patent number 4,770,860
- Issue date Sep 13, 1988
- Ewers; Rolf
- Rolf Ewers
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

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