Ruiyi Dai

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Chongqing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Internal-combustion engine
- Patent number D628597
- Issue date Dec 7, 2010
- Loncin Industry Co., Ltd.
- Ruiyi Dai
- D15 - Machines not elsewhere specified
Information Patent Grant
Internal-combustion engine
- Patent number D612402
- Issue date Mar 23, 2010
- Loncin Industry Co., Ltd.
- Ruiyi Dai
- D15 - Machines not elsewhere specified