Xu-Wei Tu

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Nanjing, CN

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Patents Applicationslast 30 patents

Information Patent Application
Device and method that enables voice mailbox in internet communicat...
- Publication number 20030131074
- Publication date Jul 10, 2003
- Cheng-Shing Lai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data transmission method by automatic frequency control
- Publication number 20020181678
- Publication date Dec 5, 2002
- Cheng-Shing Lai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE