发明名称 HEATING AND RADIATING UNIT FOR ELECTRICAL HEATERS
摘要 An electric heating element for baseboard heaters or the like wherein strips of supporting material, insulating strips and a heater element strip are fed to a forming and gathering apparatus and formed into a heating unit. The supporting material preferably has fins stamped thereon.
申请公布号 US3632987(A) 申请公布日期 1972.01.04
申请号 USD3632987 申请日期 1970.02.20
申请人 HARLEY J. ORR 发明人 HARLEY J. ORR
分类号 F24H3/00;H05B3/00;(IPC1-7):H05B3/50 主分类号 F24H3/00
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