Chief Resources Limited

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Composition containing divalent manganese ion
- Patent number 5,618,526
- Issue date Apr 8, 1997
- Chief Resources Limited
- Yoshikatsu Ikari
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Composition containing divalent manganese ion and method for prepar...
- Patent number 5,368,851
- Issue date Nov 29, 1994
- Chief Resources Limited
- Yoshikatsu Ikari
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE