发明名称 Heat exchanger for combustion heater
摘要 A heat exchanger suitable for use with a combustion heater, comprises a one-piece extruded tubular heat exchanger element having a tubular body and a number of interior and exterior fins projecting integrally radially from the tubular body.
申请公布号 US4657074(A) 申请公布日期 1987.04.14
申请号 US19860830883 申请日期 1986.02.19
申请人 DIESEL KIKI CO., LTD. 发明人 TOMITA, ITIZO;OKURA, EIJI
分类号 F24H1/26;F24H1/24;F24H3/06;F28F1/16;F28F1/40;F28F1/42;(IPC1-7):F28F1/42 主分类号 F24H1/26
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