发明名称 METHOD OF REDUCING LIGHT LEAKAGE FROM INTERNALLY ILLUMINATED PANELS
摘要 <p>An internally illuminated panel (10) is provided with a recess (28) in which a conventional knob (12) of translucent construction is mounted. The recess (28) is covered with an opaque material (34), except for an area that allows light to be transmitted to the knob (12).</p>
申请公布号 WO1992022081(A1) 申请公布日期 1992.12.10
申请号 US1992004187 申请日期 1992.05.18
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