Sen-Chi Lee

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Ilan Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Method of recycling waste printed circuit boards
- Patent number 5,979,033
- Issue date Nov 9, 1999
- Cleanevi' Engineering Consultant Co., Ltd.
- Kuo-Ching Chang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...