Changbiao Zhu

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lifting apparatus without electric cable
- Patent number 7,213,852
- Issue date May 8, 2007
- Shanghai Zhanhua Port Machinery Co., Ltd.
- Changbiao Zhu
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Lifting apparatus without electric cable
- Publication number 20040189031
- Publication date Sep 30, 2004
- Changbiao Zhu
- B66 - HOISTING LIFTING HAULING