Hsieh Ming-Er

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Tai-Ping City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Burglarproof lock core with plate tumblers
- Patent number 6,826,936
- Issue date Dec 7, 2004
- Hsieh Ming-Er
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES