Shek-Hing Simon Yu

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Hong Kong, CN

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Patents Applicationslast 30 patents

Information Patent Application
Hinge device of a foldable chair
- Publication number 20080256747
- Publication date Oct 23, 2008
- Hsien-Wen Chang
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...