Yonghui Xu

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Oakville, CA

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Patents Grantslast 30 patents

Information Patent Grant
Extraction apparatus
- Patent number 7,228,706
- Issue date Jun 12, 2007
- National Refrigeration & Air Conditioning Canada Corp.
- Yonghui Xu
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
EXTRACTION APPARATUS
- Publication number 20070151285
- Publication date Jul 5, 2007
- National Refrigeration & Air Conditioning Canada, Corp.
- Yonghui Xu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...