Calvin Curtis Lawson

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Wilmington, DE, US

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Patents Applicationslast 30 patents

Information Patent Application
R422D HEAT TRANSFER SYSTEMS AND R22 SYSTEMS RETROFITTED WITH R422D
- Publication number 20100011791
- Publication date Jan 21, 2010
- Roger Nicholas Strickland
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...