John Ying Man Wong

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Shatin, HK

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Patents Grantslast 30 patents

Information Patent Grant
Cooking appliance
- Patent number 6,976,420
- Issue date Dec 20, 2005
- Raymond Electric (China) Ltd.
- John Ying Man Wong
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...