Xinnong Li

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Medical non-woven fabrics containing inorganic oxides complex powder
- Patent number 5,795,836
- Issue date Aug 18, 1998
- Wonder & Bioenergy Hi-Tech International, Inc.
- Rui Jin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE