Yuan-ru Sun

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Tu-Cheng, TW

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Patents Grantslast 30 patents

Information Patent Grant
Side mold working mechanism
- Patent number 7,481,648
- Issue date Jan 27, 2009
- Cheng Uei Precision Industry Co., Ltd.
- Chih-yu Chen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL