A heater is disclosed which comprises an electrical insulating material surrounding an annular heating element configuration; wherein there is no casing surrounding an annular heating element configuration. <IMAGE>
申请公布号
AU1857399(A)
申请公布日期
1999.09.23
申请号
AU19990018573
申请日期
1999.03.03
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
LAWRENCE JAMES BIELAMOWICZ;SCOTT LEE WELLINGTON;HAROLD J. VINEGAR;ERIC DE ROUFFIGNAC
