Qiong Juan DUAN

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Shanghai, CN

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Patents Applicationslast 30 patents

Information Patent Application
ACRYLIC DAMPING ADHESIVE AND DIAPHRAGM MEMBRANE FOR MICRO-SPEAKERS
- Publication number 20220372348
- Publication date Nov 24, 2022
- 3M Innovative Properties Company
- Chao Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DAMPING MATERIAL AND DAMPING SHEET MADE THEREFROM
- Publication number 20220195250
- Publication date Jun 23, 2022
- 3M Innovative Properties Company
- Jing Qiang HOU
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...