Da-Jiang Chang

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Taipei, TW

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Patents Applicationslast 30 patents

Information Patent Application
Copper recoery method and system therefor
- Publication number 20080019891
- Publication date Jan 24, 2008
- Shenjung Huang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Heavy metal recovery system and method for heavy metal recovery
- Publication number 20070108137
- Publication date May 17, 2007
- Shenjung Huang
- C01 - INORGANIC CHEMISTRY