A heating device having a plurality of spiralwound resistance rods formed in a flat array and designed to be powered by 12 or 24 volt direct current vehicle battery systems.
申请公布号
WO9012201(A1)
申请公布日期
1990.10.18
申请号
WO1990US01597
申请日期
1990.03.23
申请人
DONALDSON COMPANY, INC.
发明人
WAGNER, WAYNE, M.;WILSON, EUGENE, D.;FLEMMING, DOUGLAS, E.;STEINBRUECK, ED
