Chen-Nung Tseng

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Chia Yi Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Tread and handrail combination structure of a staircase
- Patent number 6,523,310
- Issue date Feb 25, 2003
- Taiwan Lounge Chair Industry Co., Ltd.
- Chen-Nung Tseng
- E04 - BUILDING