Songjun Ding

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Guangzhou, CN

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Patents Applicationslast 30 patents

Information Patent Application
Dental floss pick storage box and dental floss dispenser for easy t...
- Publication number 20250099213
- Publication date Mar 27, 2025
- Songjun Ding
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Dental flosser
- Publication number 20050133058
- Publication date Jun 23, 2005
- Songjun Ding
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE