Ging Hwa Long Hardware Industry Co., Ltd.

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Changhua County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Idiot-proof lock device that prevents a user from changing the code...
- Patent number 8,297,087
- Issue date Oct 30, 2012
- Ging Hwa Long Hardware Industry Co., Ltd.
- Yu-Shen Lin
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES