Chienfeng Chen

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Kaohsiung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Method for removing extraneous matter by using fluorine-containing...
- Patent number 6,315,834
- Issue date Nov 13, 2001
- Utek Semiconductor Corp.
- Ping-Chung Chung
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...