Hongwen LI

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Qinhuangdao City, CN

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Patents Applicationslast 30 patents

Information Patent Application
GRADIENT RESIN, PREPARATION METHOD THEREFOR AND USE THEREOF
- Publication number 20230181428
- Publication date Jun 15, 2023
- AIDITE (QINHUANGDAO) TECHNOLOGY CO., LTD.
- Hongwen LI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Dental Zirconia Restoration Material With Uniform Transition Of Str...
- Publication number 20180327319
- Publication date Nov 15, 2018
- Aidite (Qinhuangdao) Technology Co.Ltd.
- Hongwen LI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE