Ching Chih Kao

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Dali City, TW

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Patents Applicationslast 30 patents

Information Patent Application
Door closing hinge device
- Publication number 20060230573
- Publication date Oct 19, 2006
- Ching Chih Kao
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Wheel chair having foldable back support
- Publication number 20060232039
- Publication date Oct 19, 2006
- Ching Chih Kao
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE