The closure element (1) is adapted to be installed in a vessel wall provided with an aperture and has a peripheral flange (2) and a central cover unit(3). The closure element (1) is provided with at least one light source within a predefined zone (35) located in the central cover unit(3) and the light source is confined within the central cover unit.
申请公布号
WO2011160626(A1)
申请公布日期
2011.12.29
申请号
WO2010DK50160
申请日期
2010.06.23
申请人
GEA PROCESS ENGINEERING A/S;BLAK, CLAUS;DAHL, ANDERS YDE;DUERLUND, STEN KROG
