Yui-Whei Cheng-Yang

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Hsin Chu, TW

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Patents Grantslast 30 patents

Information Patent Grant
Porous polytetrafluoroethylene molded article
- Patent number 6,080,472
- Issue date Jun 27, 2000
- Yeu Ming Tai Chemical Ind. Co., Ltd.
- James Huang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL