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专利名称：Heat exchangers and method of making
same
发明人：Stephen F. Pasternak申请号：US05/970438申请日：19781218公开号：US04298062A公开日：19811103
摘要：A heat exchanger embodying an elongated tubular member having a
passageway for working fluid extending longitudinally therethrough, and having externalfins projecting outwardly from the tubular member in position of define passagewaysextending transversely thereacross, and the method of making the same.
申请人：PEERLESS OF AMERICA, INC.
代理机构：Emrich, Root, Lee, Brown & Hill
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