Lung Ching Cheng

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Tightly shielding screen
- Patent number 6,834,704
- Issue date Dec 28, 2004
- Lung Ching Cheng
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Tightly shielding screen
- Publication number 20040144504
- Publication date Jul 29, 2004
- Lung Ching Cheng
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...