Ming-Ying Guo

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Exterior lever lock device with a clutch assembly
- Patent number 7,870,772
- Issue date Jan 18, 2011
- Eversafety Precision Industry (Tianjin) Co., Ltd.
- Ming-Ying Guo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES