Tung-Ching Pai

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Nan-Tou Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic hinge
- Patent number 5,152,029
- Issue date Oct 6, 1992
- King Chain Precision Industry Co., Ltd.
- Tung-Ching Pai
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES