Guanyu Dong

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Fushun, CN

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Patents Grantslast 30 patents

Information Patent Grant
Automatic staple removers
- Patent number 6,772,995
- Issue date Aug 10, 2004
- Songbai Wen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Automatic staple removers
- Publication number 20040041135
- Publication date Mar 4, 2004
- Yurisheng Electronic (Shenzhen) Limited
- Songbai Wen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS