Yang Ma

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Irvine, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasound assisted heavy metal recovery
- Patent number 8,323,510
- Issue date Dec 4, 2012
- Fengchun Xie
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Ultrasound Assisted Heavy Metal Recovery
- Publication number 20090250408
- Publication date Oct 8, 2009
- Fengchun Xie
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...