发明名称 Needle covering for display devices on front panels
摘要 Needle covering for display devices on front panels of plug-in drawers or control cabinets characterised in that a window is situated in the front plate 1 and that the projecting extremity of the needle is covered over by a transparent cap 3 in the region of the window. <IMAGE>
申请公布号 FR2625825(A3) 申请公布日期 1989.07.13
申请号 FR19890000052 申请日期 1989.01.04
申请人 LICENTIA PATENT VERWALTUNGS GMBH 发明人 HENNING KRAFFT
分类号 H02B15/00 主分类号 H02B15/00
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