专利名称：Instrument发明人：Shinichi Hashimoto申请号：US08/558193申请日：19951115公开号：US05596143A公开日：19970121
摘要：An instrument having a front cover which can be easily cleaned when dust anddirt adhere on the front surface of the instrument cover. The front cover has a toothedsurface for reducing light reflection at the central portion of the front cover, and asmoothed fringe surface around the toothed surface which has an area for accepting apiece of wiping cloth. When dust and dirt accumulate in the toothed surface, they can bewiped off by a piece of cloth easily.
申请人：NIPPONDENSO CO., LTD.
代理机构：Cushman, Darby & Cushman IP Group of Pillsbury Madison & Sutro LLP
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